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91380308976152 = 2374093989709613
BaseRepresentation
bin10100110001110000100010…
…110110110010001000011000
3102222112212112211221102021122
4110301300202312302020120
543434133333044214102
6522203311233224412
725151003146264130
oct2461604266621030
9388485484842248
1091380308976152
1127131198156819
12a2ba148702108
133bcb18423b2b1
14187cb8b075ac0
15a87028e540a2
hex531c22db2218

91380308976152 has 32 divisors (see below), whose sum is σ = 196293713008800. Its totient is φ = 39067236520704.

The previous prime is 91380308976083. The next prime is 91380308976157. The reversal of 91380308976152 is 25167980308319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91380308976157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994831903 + ... + 1994877710.

It is an arithmetic number, because the mean of its divisors is an integer number (6134178531525).

Almost surely, 291380308976152 is an apocalyptic number.

It is an amenable number.

91380308976152 is an abundant number, since it is smaller than the sum of its proper divisors (104913404032648).

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

91380308976152 is a wasteful number, since it uses less digits than its factorization.

91380308976152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989710035 (or 3989710031 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 91380308976152 in words is "ninety-one trillion, three hundred eighty billion, three hundred eight million, nine hundred seventy-six thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 409 818 1636 2863 3272 5726 11452 22904 3989709613 7979419226 15958838452 27927967291 31917676904 55855934582 111711869164 223423738328 1631791231717 3263582463434 6527164926868 11422538622019 13054329853736 22845077244038 45690154488076 91380308976152