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31900142094 = 235316690349
BaseRepresentation
bin11101101101011001…
…011000101000001110
310001100011202010022020
4131231121120220032
51010312414021334
622353230431010
72206341506502
oct355531305016
9101304663266
1031900142094
111258a8869a7
126223362466
133014c48532
14178894c302
15c6a863e49
hex76d658a0e

31900142094 has 8 divisors (see below), whose sum is σ = 63800284200. Its totient is φ = 10633380696.

The previous prime is 31900142081. The next prime is 31900142101. The reversal of 31900142094 is 49024100913.

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

31900142094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658345169 + ... + 2658345180.

It is an arithmetic number, because the mean of its divisors is an integer number (7975035525).

Almost surely, 231900142094 is an apocalyptic number.

31900142094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31900142094 is a wasteful number, since it uses less digits than its factorization.

31900142094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316690354.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 31900142094 in words is "thirty-one billion, nine hundred million, one hundred forty-two thousand, ninety-four".

Divisors: 1 2 3 6 5316690349 10633380698 15950071047 31900142094