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91314210213241 = 313729108769593
BaseRepresentation
bin10100110000110010111111…
…000100000000110101111001
3102222022112221022110100121121
4110300302333010000311321
543432043000303310431
6522113100303305241
725143143153130421
oct2460627704006571
9388275838410547
1091314210213241
1127106159121934
12a2a93802ab221
133bc4b7c115972
1418798ba625481
15a8545b0aa611
hex530cbf100d79

91314210213241 has 4 divisors (see below), whose sum is σ = 91343318985972. Its totient is φ = 91285101440512.

The previous prime is 91314210213211. The next prime is 91314210213329. The reversal of 91314210213241 is 14231201241319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51905684793600 + 39408525419641 = 7204560^2 + 6277621^2 .

It is a cyclic number.

It is not a de Polignac number, because 91314210213241 - 219 = 91314209688953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91314210213197 and 91314210213206.

It is not an unprimeable number, because it can be changed into a prime (91314210213211) 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, 14554381660 + ... + 14554387933.

It is an arithmetic number, because the mean of its divisors is an integer number (22835829746493).

Almost surely, 291314210213241 is an apocalyptic number.

It is an amenable number.

91314210213241 is a deficient number, since it is larger than the sum of its proper divisors (29108772731).

91314210213241 is a wasteful number, since it uses less digits than its factorization.

91314210213241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29108772730.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 91314210213241 in words is "ninety-one trillion, three hundred fourteen billion, two hundred ten million, two hundred thirteen thousand, two hundred forty-one".

Divisors: 1 3137 29108769593 91314210213241