Search a number
-
+
630807556610146 = 2339979277400309
BaseRepresentation
bin1000111101101101110101010…
…0010101010101100001100010
310001201111121120012211020112211
42033123131110111111201202
51130140122333443011041
610113340554012312334
7246604225206612646
oct21733352425254142
93051447505736484
10630807556610146
11172aa3a89650843
125a8ba8924726aa
13210c9b88614596
14b1ab36a3cac26
154cddb4389e481
hex23db754555862

630807556610146 has 8 divisors (see below), whose sum is σ = 946239167218140. Its totient is φ = 315394500870768.

The previous prime is 630807556610129. The next prime is 630807556610149. The reversal of 630807556610146 is 641016655708036.

630807556610146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 623218021992225 + 7589534617921 = 24964335^2 + 2754911^2 .

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

It is not an unprimeable number, because it can be changed into a prime (630807556610149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638632161 + ... + 4638768148.

Almost surely, 2630807556610146 is an apocalyptic number.

630807556610146 is a deficient number, since it is larger than the sum of its proper divisors (315431610607994).

630807556610146 is a wasteful number, since it uses less digits than its factorization.

630807556610146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277434308.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 630807556610146 in words is "six hundred thirty trillion, eight hundred seven billion, five hundred fifty-six million, six hundred ten thousand, one hundred forty-six".

Divisors: 1 2 33997 67994 9277400309 18554800618 315403778305073 630807556610146