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137436122478 = 2323995913931
BaseRepresentation
bin111111111111111010…
…1001100110101101110
3111010202011022101222110
41333333311030311232
54222432121404403
6143045353024450
712633536523504
oct1777765146556
9433664271873
10137436122478
1153317120aa6
12227770b5126
13cc636589c5
14691ad10674
153895ac9103
hex1fffd4cd6e

137436122478 has 16 divisors (see below), whose sum is σ = 286823212416. Its totient is φ = 43820212920.

The previous prime is 137436122437. The next prime is 137436122491. The reversal of 137436122478 is 874221634731.

It is a super-3 number, since 3×1374361224783 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 497956828 + ... + 497957103.

It is an arithmetic number, because the mean of its divisors is an integer number (17926450776).

Almost surely, 2137436122478 is an apocalyptic number.

137436122478 is an abundant number, since it is smaller than the sum of its proper divisors (149387089938).

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

137436122478 is a wasteful number, since it uses less digits than its factorization.

137436122478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995913959.

The product of its digits is 1354752, while the sum is 48.

The spelling of 137436122478 in words is "one hundred thirty-seven billion, four hundred thirty-six million, one hundred twenty-two thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 23 46 69 138 995913931 1991827862 2987741793 5975483586 22906020413 45812040826 68718061239 137436122478