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100142010462121 = 491772036358673
BaseRepresentation
bin10110110001010000100000…
…111101011110111110101001
3111010120111000220001110120221
4112301100200331132332221
5101111211314134241441
6552552334323450041
730044010242146165
oct2661204075367651
9433514026043527
10100142010462121
11299a9a96233261
12b294238826921
1343b54743a62a4
141aa2c8345dca5
15b89dcbc6d8d1
hex5b1420f5efa9

100142010462121 has 4 divisors (see below), whose sum is σ = 100144046869972. Its totient is φ = 100139974054272.

The previous prime is 100142010462041. The next prime is 100142010462149. The reversal of 100142010462121 is 121264010241001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62041772755600 + 38100237706521 = 7876660^2 + 6172539^2 .

It is a cyclic number.

It is not a de Polignac number, because 100142010462121 - 27 = 100142010461993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100142010465121) 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, 1018130160 + ... + 1018228513.

It is an arithmetic number, because the mean of its divisors is an integer number (25036011717493).

Almost surely, 2100142010462121 is an apocalyptic number.

It is an amenable number.

100142010462121 is a deficient number, since it is larger than the sum of its proper divisors (2036407851).

100142010462121 is an equidigital number, since it uses as much as digits as its factorization.

100142010462121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036407850.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 100142010462121 in words is "one hundred trillion, one hundred forty-two billion, ten million, four hundred sixty-two thousand, one hundred twenty-one".

Divisors: 1 49177 2036358673 100142010462121