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137206663576 = 2323745688389
BaseRepresentation
bin111111111001000100…
…1111000100110011000
3111010011011112200112121
41333302021320212120
54221444401213301
6143010514551024
712625052253223
oct1776211704630
9433134480477
10137206663576
1153209648144
1222712298474
13cc27c58ac8
1468d86605ba
1538808a13a1
hex1ff2278998

137206663576 has 16 divisors (see below), whose sum is σ = 268447820400. Its totient is φ = 65620578144.

The previous prime is 137206663567. The next prime is 137206663577. The reversal of 137206663576 is 675366602731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137206663577) 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, 372844011 + ... + 372844378.

It is an arithmetic number, because the mean of its divisors is an integer number (16777988775).

Almost surely, 2137206663576 is an apocalyptic number.

It is an amenable number.

137206663576 is a deficient number, since it is larger than the sum of its proper divisors (131241156824).

137206663576 is a wasteful number, since it uses less digits than its factorization.

137206663576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745688418 (or 745688414 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 137206663576 in words is "one hundred thirty-seven billion, two hundred six million, six hundred sixty-three thousand, five hundred seventy-six".

Divisors: 1 2 4 8 23 46 92 184 745688389 1491376778 2982753556 5965507112 17150832947 34301665894 68603331788 137206663576