Search a number
-
+
137791049531926 = 2731317490897539
BaseRepresentation
bin11111010101000111111010…
…100011111000001000010110
3200001212200210011020010011011
4133111013322203320020112
5121030032032140010201
61205020200112202434
741011034442100630
oct3725077243701026
9601780704203134
10137791049531926
113a9a494628a10a
12135549b383941a
135bb684273020b
14260519db59a50
1510de3dc3e4151
hex7d51fa8f8216

137791049531926 has 16 divisors (see below), whose sum is σ = 243833009310720. Its totient is φ = 57148361556840.

The previous prime is 137791049531921. The next prime is 137791049531951. The reversal of 137791049531926 is 629135940197731.

It is a super-2 number, since 2×1377910495319262 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137791049531921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158745448336 + ... + 158745449203.

It is an arithmetic number, because the mean of its divisors is an integer number (15239563081920).

Almost surely, 2137791049531926 is an apocalyptic number.

137791049531926 is a deficient number, since it is larger than the sum of its proper divisors (106041959778794).

137791049531926 is a wasteful number, since it uses less digits than its factorization.

137791049531926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317490897579.

The product of its (nonzero) digits is 77157360, while the sum is 67.

The spelling of 137791049531926 in words is "one hundred thirty-seven trillion, seven hundred ninety-one billion, forty-nine million, five hundred thirty-one thousand, nine hundred twenty-six".

Divisors: 1 2 7 14 31 62 217 434 317490897539 634981795078 2222436282773 4444872565546 9842217823709 19684435647418 68895524765963 137791049531926