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21013132414 = 2436727113457
BaseRepresentation
bin10011100100011110…
…101111010001111110
32000020102220201122111
4103210132233101332
5321013330214124
613353040204234
71342503451501
oct234436572176
960212821574
1021013132414
118a0340243a
1240a530967a
131c9b562381
141034a91138
1582eb93494
hex4e47af47e

21013132414 has 32 divisors (see below), whose sum is σ = 32857330176. Its totient is φ = 10071008640.

The previous prime is 21013132397. The next prime is 21013132429. The reversal of 21013132414 is 41423131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554774 + ... + 1568230.

It is an arithmetic number, because the mean of its divisors is an integer number (1026791568).

Almost surely, 221013132414 is an apocalyptic number.

21013132414 is a deficient number, since it is larger than the sum of its proper divisors (11844197762).

21013132414 is a wasteful number, since it uses less digits than its factorization.

21013132414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21013132414 its reverse (41423131012), we get a palindrome (62436263426).

The spelling of 21013132414 in words is "twenty-one billion, thirteen million, one hundred thirty-two thousand, four hundred fourteen".

Divisors: 1 2 43 67 86 134 271 542 2881 5762 11653 13457 18157 23306 26914 36314 578651 780751 901619 1157302 1561502 1803238 3646847 7293694 38769617 77539234 156814421 244338749 313628842 488677498 10506566207 21013132414