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131216864630048 = 2510766915727497
BaseRepresentation
bin11101110101011101001110…
…100110101101010100100000
3122012121012122220111100222222
4131311131032212231110200
5114144324114321130143
61143024110114050212
736432051141331241
oct3565351646552440
9565535586440888
10131216864630048
113889a83a2a34aa
121287285a579968
13582a90aab7512
142458d04408cc8
1510283b9b1b768
hex77574e9ad520

131216864630048 has 48 divisors (see below), whose sum is σ = 260786546655264. Its totient is φ = 64985544215040.

The previous prime is 131216864630003. The next prime is 131216864630051. The reversal of 131216864630048 is 840036468612131.

It is a happy number.

It is a Cunningham number, because it is equal to 114549932-1.

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, 20046236 + ... + 25773732.

It is an arithmetic number, because the mean of its divisors is an integer number (5433053055318).

Almost surely, 2131216864630048 is an apocalyptic number.

It is an amenable number.

131216864630048 is a deficient number, since it is larger than the sum of its proper divisors (129569682025216).

131216864630048 is a wasteful number, since it uses less digits than its factorization.

131216864630048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734305 (or 5734297 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 131216864630048 in words is "one hundred thirty-one trillion, two hundred sixteen billion, eight hundred sixty-four million, six hundred thirty thousand, forty-eight".

Divisors: 1 2 4 8 16 32 107 214 428 856 1712 3424 6691 13382 26764 53528 107056 214112 715937 1431874 2863748 5727496 5727497 11454992 11454994 22909984 22909988 45819976 91639952 183279904 612842179 1225684358 2451368716 4902737432 9805474864 19610949728 38322682427 76645364854 153290729708 306581459416 613162918832 1226325837664 4100527019689 8201054039378 16402108078756 32804216157512 65608432315024 131216864630048