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31148138614 = 225013622639
BaseRepresentation
bin11101000000100100…
…101110000001110110
32222101202201101110111
4131000210232001312
51002242410413424
622150444413234
72151610544515
oct350044560166
988352641414
1031148138614
111223434861a
12605354721a
132c251cbb68
141716b1867c
15c2481d194
hex74092e076

31148138614 has 8 divisors (see below), whose sum is σ = 46724150880. Its totient is φ = 15573421656.

The previous prime is 31148138587. The next prime is 31148138629. The reversal of 31148138614 is 41683184113.

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

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, 261294 + ... + 361345.

It is an arithmetic number, because the mean of its divisors is an integer number (5840518860).

Almost surely, 231148138614 is an apocalyptic number.

31148138614 is a deficient number, since it is larger than the sum of its proper divisors (15576012266).

31148138614 is a wasteful number, since it uses less digits than its factorization.

31148138614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647654.

The product of its digits is 55296, while the sum is 40.

The spelling of 31148138614 in words is "thirty-one billion, one hundred forty-eight million, one hundred thirty-eight thousand, six hundred fourteen".

Divisors: 1 2 25013 50026 622639 1245278 15574069307 31148138614