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113946474981 = 3121331312579
BaseRepresentation
bin110101000011110111…
…1010011100111100101
3101220010010101200022010
41222013233103213211
53331330244144411
6124202444224433
711142462025263
oct1520757234745
9356103350263
10113946474981
11443628a6189
121a10053b119
13a98bcca8c1
14572d3a3433
152e6d7e87a6
hex1a87bd39e5

113946474981 has 8 divisors (see below), whose sum is σ = 152053888480. Its totient is φ = 75901689072.

The previous prime is 113946474979. The next prime is 113946475001. The reversal of 113946474981 is 189474649311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113946474981 - 21 = 113946474979 is a prime.

It is a super-2 number, since 2×1139464749812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113946474911) 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, 15652651 + ... + 15659928.

It is an arithmetic number, because the mean of its divisors is an integer number (19006736060).

Almost surely, 2113946474981 is an apocalyptic number.

It is an amenable number.

113946474981 is a deficient number, since it is larger than the sum of its proper divisors (38107413499).

113946474981 is a wasteful number, since it uses less digits than its factorization.

113946474981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31313795.

The product of its digits is 5225472, while the sum is 57.

The spelling of 113946474981 in words is "one hundred thirteen billion, nine hundred forty-six million, four hundred seventy-four thousand, nine hundred eighty-one".

Divisors: 1 3 1213 3639 31312579 93937737 37982158327 113946474981