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200012102131 = 297197140409
BaseRepresentation
bin1011101001000110100…
…1100111100111110011
3201010021012001112111111
42322101221213213303
511234111044232011
6231515001254151
720310325550122
oct2722151474763
9633235045444
10200012102131
1177908687766
123291b794357
1315b269987ba
149975951ab9
155309565121
hex2e91a679f3

200012102131 has 8 divisors (see below), whose sum is σ = 209823285600. Its totient is φ = 190395199680.

The previous prime is 200012102123. The next prime is 200012102137. The reversal of 200012102131 is 131201210002.

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

It is a cyclic number.

It is not a de Polignac number, because 200012102131 - 23 = 200012102123 is a prime.

It is a super-2 number, since 2×2000121021312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200012102137) 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, 48568146 + ... + 48572263.

It is an arithmetic number, because the mean of its divisors is an integer number (26227910700).

Almost surely, 2200012102131 is an apocalyptic number.

200012102131 is a deficient number, since it is larger than the sum of its proper divisors (9811183469).

200012102131 is an equidigital number, since it uses as much as digits as its factorization.

200012102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97140509.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200012102131 its reverse (131201210002), we get a palindrome (331213312133).

The spelling of 200012102131 in words is "two hundred billion, twelve million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 29 71 2059 97140409 2817071861 6896969039 200012102131