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11701913 = 109107357
BaseRepresentation
bin101100101000…
…111010011001
3211000112000012
4230220322121
510443430123
61054451305
7201315236
oct54507231
924015005
1011701913
116672903
123b03b35
132569412
1417a878d
151062378
hexb28e99

11701913 has 4 divisors (see below), whose sum is σ = 11809380. Its totient is φ = 11594448.

The previous prime is 11701909. The next prime is 11701927. The reversal of 11701913 is 31910711.

11701913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6697744 + 5004169 = 2588^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 11701913 - 22 = 11701909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11701513) 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, 53570 + ... + 53787.

It is an arithmetic number, because the mean of its divisors is an integer number (2952345).

Almost surely, 211701913 is an apocalyptic number.

It is an amenable number.

11701913 is a deficient number, since it is larger than the sum of its proper divisors (107467).

11701913 is a wasteful number, since it uses less digits than its factorization.

11701913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107466.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11701913 is about 3420.8058991998. The cubic root of 11701913 is about 227.0312402424.

The spelling of 11701913 in words is "eleven million, seven hundred one thousand, nine hundred thirteen".

Divisors: 1 109 107357 11701913