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130371679081 = 719794540739
BaseRepresentation
bin111100101101011000…
…0011111001101101001
3110110111211022111110201
41321122300133031221
54114000122212311
6135520353312201
712263505662560
oct1713260371551
9413454274421
10130371679081
1150321461126
1221325265661
13c3a8bab497
14644a9babd7
1535d07d09c1
hex1e5ac1f369

130371679081 has 8 divisors (see below), whose sum is σ = 149752532160. Its totient is φ = 111179907888.

The previous prime is 130371679073. The next prime is 130371679093. The reversal of 130371679081 is 180976173031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130371679081 - 23 = 130371679073 is a prime.

It is a super-2 number, since 2×1303716790812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130371679051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47268991 + ... + 47271748.

It is an arithmetic number, because the mean of its divisors is an integer number (18719066520).

Almost surely, 2130371679081 is an apocalyptic number.

It is an amenable number.

130371679081 is a deficient number, since it is larger than the sum of its proper divisors (19380853079).

130371679081 is an equidigital number, since it uses as much as digits as its factorization.

130371679081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94540943.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 130371679081 in words is "one hundred thirty billion, three hundred seventy-one million, six hundred seventy-nine thousand, eighty-one".

Divisors: 1 7 197 1379 94540739 661785173 18624525583 130371679081