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103997130157 = 591762663223
BaseRepresentation
bin110000011011010110…
…1100100010110101101
3100221102201221121000101
41200312231210112231
53200441231131112
6115435311231101
710341101010124
oct1406655442655
9327381847011
10103997130157
114011773a158
12181a4518491
139a64967b0b
145067c68abb
152a8a0e4757
hex1836b645ad

103997130157 has 4 divisors (see below), whose sum is σ = 105759793440. Its totient is φ = 102234466876.

The previous prime is 103997130143. The next prime is 103997130161. The reversal of 103997130157 is 751031799301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103997130157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103997130197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881331553 + ... + 881331670.

It is an arithmetic number, because the mean of its divisors is an integer number (26439948360).

Almost surely, 2103997130157 is an apocalyptic number.

It is an amenable number.

103997130157 is a deficient number, since it is larger than the sum of its proper divisors (1762663283).

103997130157 is an equidigital number, since it uses as much as digits as its factorization.

103997130157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762663282.

The product of its (nonzero) digits is 178605, while the sum is 46.

The spelling of 103997130157 in words is "one hundred three billion, nine hundred ninety-seven million, one hundred thirty thousand, one hundred fifty-seven".

Divisors: 1 59 1762663223 103997130157