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1377115534 = 21396138081
BaseRepresentation
bin101001000010101…
…0001110110001110
310112222021201101001
41102011101312032
510310020144114
6344352210514
746061201044
oct12205216616
93488251331
101377115534
11647389313
12325239a3a
1318c3c8482
14d0c76394
1580d74374
hex52151d8e

1377115534 has 16 divisors (see below), whose sum is σ = 2084186160. Its totient is φ = 682404480.

The previous prime is 1377115517. The next prime is 1377115577. The reversal of 1377115534 is 4355117731.

It is a junction number, because it is equal to n+sod(n) for n = 1377115493 and 1377115502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166374 + ... + 174454.

It is an arithmetic number, because the mean of its divisors is an integer number (130261635).

Almost surely, 21377115534 is an apocalyptic number.

1377115534 is a deficient number, since it is larger than the sum of its proper divisors (707070626).

1377115534 is a wasteful number, since it uses less digits than its factorization.

1377115534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its digits is 44100, while the sum is 37.

The square root of 1377115534 is about 37109.5073262904. The cubic root of 1377115534 is about 1112.5600446319.

The spelling of 1377115534 in words is "one billion, three hundred seventy-seven million, one hundred fifteen thousand, five hundred thirty-four".

Divisors: 1 2 139 278 613 1226 8081 16162 85207 170414 1123259 2246518 4953653 9907306 688557767 1377115534