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113723681 = 373119883
BaseRepresentation
bin1101100011101…
…00100100100001
321220222202120012
412301310210201
5213103124211
615141254305
72550430631
oct661644441
9256882505
10113723681
1159215315
1232104395
131a73a226
14111646c1
159eb5d8b
hex6c74921

113723681 has 8 divisors (see below), whose sum is σ = 117184704. Its totient is φ = 110283120.

The previous prime is 113723657. The next prime is 113723689. The reversal of 113723681 is 186327311.

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

It is a cyclic number.

It is not a de Polignac number, because 113723681 - 226 = 46614817 is a prime.

It is a super-2 number, since 2×1137236812 = 25866151240379522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113723689) 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, 6566 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (14648088).

Almost surely, 2113723681 is an apocalyptic number.

It is an amenable number.

113723681 is a deficient number, since it is larger than the sum of its proper divisors (3461023).

113723681 is an equidigital number, since it uses as much as digits as its factorization.

113723681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231.

The product of its digits is 6048, while the sum is 32.

The square root of 113723681 is about 10664.1305787204. The cubic root of 113723681 is about 484.4886820842.

The spelling of 113723681 in words is "one hundred thirteen million, seven hundred twenty-three thousand, six hundred eighty-one".

Divisors: 1 37 311 9883 11507 365671 3073613 113723681