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113668207 = 227500741
BaseRepresentation
bin1101100011001…
…11000001101111
321220212221110121
412301213001233
5213044340312
615140145411
72550110122
oct661470157
9256787417
10113668207
1159187674
1232098267
131a71abc3
141114c3b9
159ea4707
hex6c6706f

113668207 has 4 divisors (see below), whose sum is σ = 114169176. Its totient is φ = 113167240.

The previous prime is 113668201. The next prime is 113668211. The reversal of 113668207 is 702866311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702866311 = 7100409473.

It is a cyclic number.

It is not a de Polignac number, because 113668207 - 215 = 113635439 is a prime.

It is a super-2 number, since 2×1136682072 = 25840922565189698, which 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 (113668201) 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, 250144 + ... + 250597.

It is an arithmetic number, because the mean of its divisors is an integer number (28542294).

Almost surely, 2113668207 is an apocalyptic number.

113668207 is a deficient number, since it is larger than the sum of its proper divisors (500969).

113668207 is an equidigital number, since it uses as much as digits as its factorization.

113668207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500968.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 113668207 is about 10661.5292993079. The cubic root of 113668207 is about 484.4098919964.

The spelling of 113668207 in words is "one hundred thirteen million, six hundred sixty-eight thousand, two hundred seven".

Divisors: 1 227 500741 113668207