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1107699979 = 2938196551
BaseRepresentation
bin100001000000110…
…0010100100001011
32212012022222201011
41002001202210023
54232032344404
6301525504351
736310203001
oct10201424413
92765288634
101107699979
115192a4431
1226ab720b7
13148648699
14a7184a71
15673a7604
hex4206290b

1107699979 has 4 divisors (see below), whose sum is σ = 1145896560. Its totient is φ = 1069503400.

The previous prime is 1107699977. The next prime is 1107700051. The reversal of 1107699979 is 9799967011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9799967011 = 16360122497.

It is a cyclic number.

It is not a de Polignac number, because 1107699979 - 21 = 1107699977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107699973) 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, 19098247 + ... + 19098304.

It is an arithmetic number, because the mean of its divisors is an integer number (286474140).

Almost surely, 21107699979 is an apocalyptic number.

1107699979 is a deficient number, since it is larger than the sum of its proper divisors (38196581).

1107699979 is an equidigital number, since it uses as much as digits as its factorization.

1107699979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38196580.

The product of its (nonzero) digits is 1928934, while the sum is 58.

The square root of 1107699979 is about 33282.1270203694. The cubic root of 1107699979 is about 1034.6831640836.

The spelling of 1107699979 in words is "one billion, one hundred seven million, six hundred ninety-nine thousand, nine hundred seventy-nine".

Divisors: 1 29 38196551 1107699979