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1381713554 = 2131927110321
BaseRepresentation
bin101001001011011…
…0100011010010010
310120021221022200002
41102112310122102
510312204313204
6345034530002
746145241254
oct12226643222
93507838602
101381713554
11649a39931
12326896902
131903482b0
14d1711cd4
158148191e
hex525b4692

1381713554 has 32 divisors (see below), whose sum is σ = 2358370560. Its totient is φ = 601862400.

The previous prime is 1381713547. The next prime is 1381713563. The reversal of 1381713554 is 4553171831.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128714 + ... + 139034.

It is an arithmetic number, because the mean of its divisors is an integer number (73699080).

Almost surely, 21381713554 is an apocalyptic number.

1381713554 is a deficient number, since it is larger than the sum of its proper divisors (976657006).

1381713554 is a wasteful number, since it uses less digits than its factorization.

1381713554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its digits is 50400, while the sum is 38.

The square root of 1381713554 is about 37171.4077484294. The cubic root of 1381713554 is about 1113.7969029597.

The spelling of 1381713554 in words is "one billion, three hundred eighty-one million, seven hundred thirteen thousand, five hundred fifty-four".

Divisors: 1 2 13 19 26 38 247 271 494 542 3523 5149 7046 10298 10321 20642 66937 133874 134173 196099 268346 392198 2549287 2796991 5098574 5593982 36360883 53142829 72721766 106285658 690856777 1381713554