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1379157166 = 237139134081
BaseRepresentation
bin101001000110100…
…0100010010101110
310120010010102222001
41102031010102232
510311031012131
6344504042514
746114433242
oct12215042256
93503112861
101379157166
11648553212
12325a6343a
1318c96183a
14d1248422
1581129261
hex523444ae

1379157166 has 16 divisors (see below), whose sum is σ = 2139948720. Its totient is φ = 666109440.

The previous prime is 1379157163. The next prime is 1379157167. The reversal of 1379157166 is 6617519731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379157163) 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, 56755 + ... + 77326.

It is an arithmetic number, because the mean of its divisors is an integer number (133746795).

Almost surely, 21379157166 is an apocalyptic number.

1379157166 is a deficient number, since it is larger than the sum of its proper divisors (760791554).

1379157166 is a wasteful number, since it uses less digits than its factorization.

1379157166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134259.

The product of its digits is 238140, while the sum is 46.

The square root of 1379157166 is about 37137.0053450733. The cubic root of 1379157166 is about 1113.1095789195.

The spelling of 1379157166 in words is "one billion, three hundred seventy-nine million, one hundred fifty-seven thousand, one hundred sixty-six".

Divisors: 1 2 37 74 139 278 5143 10286 134081 268162 4960997 9921994 18637259 37274518 689578583 1379157166