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11706917947 = 73373429943
BaseRepresentation
bin10101110011100100…
…10110010000111011
31010012212122001100121
422321302112100323
5142433432333242
65213355514111
7563052106054
oct127162262073
933185561317
1011706917947
114a682827aa
122328758937
1311475197aa
147d0b2972b
15487b7b667
hex2b9c9643b

11706917947 has 8 divisors (see below), whose sum is σ = 11899130144. Its totient is φ = 11515566528.

The previous prime is 11706917941. The next prime is 11706917951. The reversal of 11706917947 is 74971960711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11706917947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11706917894 and 11706917903.

It is not an unprimeable number, because it can be changed into a prime (11706917941) 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, 187743 + ... + 242200.

It is an arithmetic number, because the mean of its divisors is an integer number (1487391268).

Almost surely, 211706917947 is an apocalyptic number.

11706917947 is a deficient number, since it is larger than the sum of its proper divisors (192212197).

11706917947 is an equidigital number, since it uses as much as digits as its factorization.

11706917947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430389.

The product of its (nonzero) digits is 666792, while the sum is 52.

The spelling of 11706917947 in words is "eleven billion, seven hundred six million, nine hundred seventeen thousand, nine hundred forty-seven".

Divisors: 1 73 373 27229 429943 31385839 160368739 11706917947