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1118972107 = 11379268403
BaseRepresentation
bin100001010110010…
…0010100011001011
32212222112200011101
41002230202203023
54242424101412
6303011242231
736505051231
oct10254424313
92788480141
101118972107
115246a3340
122728a9377
1314aa94296
14a887a951
1568382457
hex42b228cb

1118972107 has 8 divisors (see below), whose sum is σ = 1223922240. Its totient is φ = 1014559560.

The previous prime is 1118972087. The next prime is 1118972143. The reversal of 1118972107 is 7012798111.

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 1118972107 - 223 = 1110583499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118972177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130033 + ... + 138370.

It is an arithmetic number, because the mean of its divisors is an integer number (152990280).

Almost surely, 21118972107 is an apocalyptic number.

1118972107 is a deficient number, since it is larger than the sum of its proper divisors (104950133).

1118972107 is a wasteful number, since it uses less digits than its factorization.

1118972107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268793.

The product of its (nonzero) digits is 7056, while the sum is 37.

The square root of 1118972107 is about 33451.0404471969. The cubic root of 1118972107 is about 1038.1810250148.

The spelling of 1118972107 in words is "one billion, one hundred eighteen million, nine hundred seventy-two thousand, one hundred seven".

Divisors: 1 11 379 4169 268403 2952433 101724737 1118972107