Search a number
-
+
630146615636 = 22157536653909
BaseRepresentation
bin10010010101101111010…
…10100100100101010100
32020020112000000210201002
421022313222210211110
540311020013200021
61201252500522432
763345422566466
oct11126752444524
92206460023632
10630146615636
1122327537807a
12a21629b0418
1347565507c05
14226dbd76136
15115d17a850b
hex92b7aa4954

630146615636 has 6 divisors (see below), whose sum is σ = 1102756577370. Its totient is φ = 315073307816.

The previous prime is 630146615629. The next prime is 630146615639. The reversal of 630146615636 is 636516641036.

It can be written as a sum of positive squares in only one way, i.e., 522575735236 + 107570880400 = 722894^2 + 327980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630146615639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78768326951 + ... + 78768326958.

It is an arithmetic number, because the mean of its divisors is an integer number (183792762895).

Almost surely, 2630146615636 is an apocalyptic number.

It is an amenable number.

630146615636 is a deficient number, since it is larger than the sum of its proper divisors (472609961734).

630146615636 is a wasteful number, since it uses less digits than its factorization.

630146615636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157536653913 (or 157536653911 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 630146615636 in words is "six hundred thirty billion, one hundred forty-six million, six hundred fifteen thousand, six hundred thirty-six".

Divisors: 1 2 4 157536653909 315073307818 630146615636