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130655500 = 22534359103
BaseRepresentation
bin1111100100110…
…10010100001100
3100002211222122121
413302122110030
5231421434000
620544222324
73144360553
oct762322414
9302758577
10130655500
116782a458
123790a9a4
13210b7c61
14134d0d9a
15b70cb1a
hex7c9a50c

130655500 has 96 divisors (see below), whose sum is σ = 299819520. Its totient is φ = 49694400.

The previous prime is 130655461. The next prime is 130655509. The reversal of 130655500 is 5556031.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (130655509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1268449 + ... + 1268551.

It is an arithmetic number, because the mean of its divisors is an integer number (3123120).

Almost surely, 2130655500 is an apocalyptic number.

130655500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130655500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149909760).

130655500 is an abundant number, since it is smaller than the sum of its proper divisors (169164020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130655500 is a wasteful number, since it uses less digits than its factorization.

130655500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 130655500 is about 11430.4636826334. The cubic root of 130655500 is about 507.4297184013.

The spelling of 130655500 in words is "one hundred thirty million, six hundred fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 43 50 59 86 100 103 118 125 172 206 215 236 250 295 412 430 500 515 590 860 1030 1075 1180 1475 2060 2150 2537 2575 2950 4300 4429 5074 5150 5375 5900 6077 7375 8858 10148 10300 10750 12154 12685 12875 14750 17716 21500 22145 24308 25370 25750 29500 30385 44290 50740 51500 60770 63425 88580 110725 121540 126850 151925 221450 253700 261311 303850 317125 442900 522622 553625 607700 634250 759625 1045244 1107250 1268500 1306555 1519250 2214500 2613110 3038500 5226220 6532775 13065550 26131100 32663875 65327750 130655500