Search a number
-
+
130000003 = 7172179359
BaseRepresentation
bin1111011111110…
…10010010000011
3100001121200110221
413233322102003
5231240000003
620522203511
73135660520
oct757722203
9301550427
10130000003
1167421a21
1237653597
1320c187a3
14133a0147
15b62d7bd
hex7bfa483

130000003 has 24 divisors (see below), whose sum is σ = 159148800. Its totient is φ = 103997568.

The previous prime is 130000001. The next prime is 130000007. The reversal of 130000003 is 300000031.

It is a happy number.

It is not a de Polignac number, because 130000003 - 21 = 130000001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130000001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361938 + ... + 362296.

It is an arithmetic number, because the mean of its divisors is an integer number (6631200).

Almost surely, 2130000003 is an apocalyptic number.

130000003 is a deficient number, since it is larger than the sum of its proper divisors (29148797).

130000003 is a wasteful number, since it uses less digits than its factorization.

130000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 130000003 is about 11401.7543825501. The cubic root of 130000003 is about 506.5797058069.

Adding to 130000003 its reverse (300000031), we get a palindrome (430000034).

The spelling of 130000003 in words is "one hundred thirty million, three", and thus it is an aban number.

Divisors: 1 7 17 119 179 289 359 1253 2023 2513 3043 6103 21301 42721 51731 64261 103751 362117 449827 726257 1092437 7647059 18571429 130000003