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100122122031 = 382740355551
BaseRepresentation
bin101110100111110111…
…1100101011100101111
3100120102200102210011220
41131033233211130233
53120022230401111
6113555004314423
710143055665261
oct1351757453457
9316380383156
10100122122031
11395093671a8
12174a2842a13
139597bca4b9
144bbb36db31
15290ed0de06
hex174fbe572f

100122122031 has 8 divisors (see below), whose sum is σ = 133657588224. Its totient is φ = 66667368600.

The previous prime is 100122122029. The next prime is 100122122071. The reversal of 100122122031 is 130221221001.

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

It is not a de Polignac number, because 100122122031 - 21 = 100122122029 is a prime.

It is a super-2 number, since 2×1001221220312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100122122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122122071) 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, 20175295 + ... + 20180256.

It is an arithmetic number, because the mean of its divisors is an integer number (16707198528).

Almost surely, 2100122122031 is an apocalyptic number.

100122122031 is a deficient number, since it is larger than the sum of its proper divisors (33535466193).

100122122031 is an equidigital number, since it uses as much as digits as its factorization.

100122122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356381.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100122122031 its reverse (130221221001), we get a palindrome (230343343032).

The spelling of 100122122031 in words is "one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 3 827 2481 40355551 121066653 33374040677 100122122031