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12477783042 = 232693210169
BaseRepresentation
bin10111001111011101…
…11101110000000010
31012012121011001110200
423213232331300002
5201023303024132
65422054110030
7621132256134
oct134756756002
935177131420
1012477783042
11532342409a
12250294b316
13123b13b39a
1486526d054
154d069ad7c
hex2e7bbdc02

12477783042 has 12 divisors (see below), whose sum is σ = 27035196630. Its totient is φ = 4159261008.

The previous prime is 12477783041. The next prime is 12477783047. The reversal of 12477783042 is 24038777421.

It can be written as a sum of positive squares in only one way, i.e., 12021148881 + 456634161 = 109641^2 + 21369^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12477783041) 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 in 5 ways as a sum of consecutive naturals, for example, 346605067 + ... + 346605102.

Almost surely, 212477783042 is an apocalyptic number.

12477783042 is an abundant number, since it is smaller than the sum of its proper divisors (14557413588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12477783042 is a wasteful number, since it uses less digits than its factorization.

12477783042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693210177 (or 693210174 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 12477783042 in words is "twelve billion, four hundred seventy-seven million, seven hundred eighty-three thousand, forty-two".

Divisors: 1 2 3 6 9 18 693210169 1386420338 2079630507 4159261014 6238891521 12477783042