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121701924902 = 2531148131367
BaseRepresentation
bin111000101011000000…
…0000000000000100110
3102122010121122100120002
41301112000000000212
53443221143044102
6131524210341302
711535613202405
oct1612600000046
9378117570502
10121701924902
1147682622528
121b70588a832
13b626988b1c
145c673ad63c
1532745d9902
hex1c56000026

121701924902 has 8 divisors (see below), whose sum is σ = 185997281616. Its totient is φ = 59702831032.

The previous prime is 121701924901. The next prime is 121701924913. The reversal of 121701924902 is 209429107121.

121701924902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1217019249022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121701924901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574065578 + ... + 574065789.

It is an arithmetic number, because the mean of its divisors is an integer number (23249660202).

Almost surely, 2121701924902 is an apocalyptic number.

121701924902 is a deficient number, since it is larger than the sum of its proper divisors (64295356714).

121701924902 is a wasteful number, since it uses less digits than its factorization.

121701924902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148131422.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 121701924902 in words is "one hundred twenty-one billion, seven hundred one million, nine hundred twenty-four thousand, nine hundred two".

Divisors: 1 2 53 106 1148131367 2296262734 60850962451 121701924902