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1377452887 = 10313996211
BaseRepresentation
bin101001000011010…
…0100001101010111
310112222220212010121
41102012210031113
510310111443022
6344403332411
746064104426
oct12206441527
93488825117
101377452887
11647599818
12325381107
1318c4b5ba5
14d0d232bd
1580dde2c7
hex521a4357

1377452887 has 8 divisors (see below), whose sum is σ = 1400846720. Its totient is φ = 1354251960.

The previous prime is 1377452849. The next prime is 1377452893. The reversal of 1377452887 is 7882547731.

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 1377452887 - 215 = 1377420119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377452827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33789 + ... + 62422.

It is an arithmetic number, because the mean of its divisors is an integer number (175105840).

Almost surely, 21377452887 is an apocalyptic number.

1377452887 is a deficient number, since it is larger than the sum of its proper divisors (23393833).

1377452887 is a wasteful number, since it uses less digits than its factorization.

1377452887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96453.

The product of its digits is 2634240, while the sum is 52.

The square root of 1377452887 is about 37114.0524195351. The cubic root of 1377452887 is about 1112.6508854306.

The spelling of 1377452887 in words is "one billion, three hundred seventy-seven million, four hundred fifty-two thousand, eight hundred eighty-seven".

Divisors: 1 103 139 14317 96211 9909733 13373329 1377452887