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1630386046887 = 31341804770433
BaseRepresentation
bin10111101110011010100…
…101001100011110100111
312202212022101222121010020
4113232122211030132213
5203203012312000022
63244553343130223
7225535325512023
oct27563245143647
95685271877106
101630386046887
11579496468234
12223b90ba3973
13ba98b285740
1458ca8107383
152c62406735c
hex17b9a94c7a7

1630386046887 has 8 divisors (see below), whose sum is σ = 2341067144304. Its totient is φ = 1003314490368.

The previous prime is 1630386046873. The next prime is 1630386046921. The reversal of 1630386046887 is 7886406830361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1630386046887 - 27 = 1630386046759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1630386046887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630386046687) 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, 20902385178 + ... + 20902385255.

It is an arithmetic number, because the mean of its divisors is an integer number (292633393038).

Almost surely, 21630386046887 is an apocalyptic number.

1630386046887 is a deficient number, since it is larger than the sum of its proper divisors (710681097417).

1630386046887 is a wasteful number, since it uses less digits than its factorization.

1630386046887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41804770449.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 1630386046887 in words is "one trillion, six hundred thirty billion, three hundred eighty-six million, forty-six thousand, eight hundred eighty-seven".

Divisors: 1 3 13 39 41804770433 125414311299 543462015629 1630386046887