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137487801642 = 2372731519441
BaseRepresentation
bin1000000000001011101…
…0010101110100101010
3111010212202112222110120
42000002322111310222
54223033334123032
6143054440424110
712635035013562
oct2000272256452
9433782488416
10137487801642
1153343309354
1222790478036
13cc712814a9
146923b23da2
15389a3d662c
hex2002e95d2a

137487801642 has 16 divisors (see below), whose sum is σ = 275353845312. Its totient is φ = 45766226880.

The previous prime is 137487801623. The next prime is 137487801667. The reversal of 137487801642 is 246108784731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15755359 + ... + 15764082.

It is an arithmetic number, because the mean of its divisors is an integer number (17209615332).

Almost surely, 2137487801642 is an apocalyptic number.

137487801642 is an abundant number, since it is smaller than the sum of its proper divisors (137866043670).

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

137487801642 is a wasteful number, since it uses less digits than its factorization.

137487801642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31520173.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 137487801642 in words is "one hundred thirty-seven billion, four hundred eighty-seven million, eight hundred one thousand, six hundred forty-two".

Divisors: 1 2 3 6 727 1454 2181 4362 31519441 63038882 94558323 189116646 22914633607 45829267214 68743900821 137487801642