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202131013412 = 22421120030293
BaseRepresentation
bin1011110000111111110…
…0100111111100100100
3201022201212011101100002
42330033330213330210
511302431014412122
6232505133040432
720413665160046
oct2741774477444
9638655141302
10202131013412
11787a5762109
1233211326118
13160a3978363
149ad7121a96
1553d05b5992
hex2f0ff27f24

202131013412 has 12 divisors (see below), whose sum is σ = 354569488476. Its totient is φ = 100825445280.

The previous prime is 202131013379. The next prime is 202131013423. The reversal of 202131013412 is 214310131202.

It can be written as a sum of positive squares in 2 ways, for example, as 33132736576 + 168998276836 = 182024^2 + 411094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60013463 + ... + 60016830.

It is an arithmetic number, because the mean of its divisors is an integer number (29547457373).

Almost surely, 2202131013412 is an apocalyptic number.

It is an amenable number.

202131013412 is a deficient number, since it is larger than the sum of its proper divisors (152438475064).

202131013412 is a wasteful number, since it uses less digits than its factorization.

202131013412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120030718 (or 120030716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202131013412 its reverse (214310131202), we get a palindrome (416441144614).

The spelling of 202131013412 in words is "two hundred two billion, one hundred thirty-one million, thirteen thousand, four hundred twelve".

Divisors: 1 2 4 421 842 1684 120030293 240060586 480121172 50532753353 101065506706 202131013412