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1377132742 = 2688566371
BaseRepresentation
bin101001000010101…
…0110000011000110
310112222022120222101
41102011112003012
510310021221432
6344352422314
746061302156
oct12205260306
93488276871
101377132742
116473a0237
1232524799a
1318c40325b
14d0c7c766
1580d794e7
hex521560c6

1377132742 has 4 divisors (see below), whose sum is σ = 2065699116. Its totient is φ = 688566370.

The previous prime is 1377132727. The next prime is 1377132769. The reversal of 1377132742 is 2472317731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344283184 + ... + 344283187.

It is an arithmetic number, because the mean of its divisors is an integer number (516424779).

Almost surely, 21377132742 is an apocalyptic number.

1377132742 is a deficient number, since it is larger than the sum of its proper divisors (688566374).

1377132742 is an equidigital number, since it uses as much as digits as its factorization.

1377132742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688566373.

The product of its digits is 49392, while the sum is 37.

The square root of 1377132742 is about 37109.7391798972. The cubic root of 1377132742 is about 1112.5646786787.

The spelling of 1377132742 in words is "one billion, three hundred seventy-seven million, one hundred thirty-two thousand, seven hundred forty-two".

Divisors: 1 2 688566371 1377132742