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21132103022013 = 319445438323163
BaseRepresentation
bin1001100111000001100110…
…11111100111010110111101
32202211012122121000202121210
410303200303133213112331
510232212021333201023
6112535542030515033
74310513132646534
oct463406337472675
982735577022553
1021132103022013
116808090274685
122453662665a79
13ba399705c609
14530b291a531b
15269a63dc3593
hex1338337e75bd

21132103022013 has 16 divisors (see below), whose sum is σ = 29659761377280. Its totient is φ = 13346290144944.

The previous prime is 21132103021993. The next prime is 21132103022021. The reversal of 21132103022013 is 31022030123112.

It is not a de Polignac number, because 21132103022013 - 212 = 21132103017917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132103024013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622631 + ... + 6700532.

It is an arithmetic number, because the mean of its divisors is an integer number (1853735086080).

Almost surely, 221132103022013 is an apocalyptic number.

It is an amenable number.

21132103022013 is a deficient number, since it is larger than the sum of its proper divisors (8527658355267).

21132103022013 is a wasteful number, since it uses less digits than its factorization.

21132103022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367728.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21132103022013 its reverse (31022030123112), we get a palindrome (52154133145125).

The spelling of 21132103022013 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred three million, twenty-two thousand, thirteen".

Divisors: 1 3 19 57 44543 133629 846317 2538951 8323163 24969489 158140097 474420291 370738649509 1112215948527 7044034340671 21132103022013