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21002310024332 = 2271367861173939
BaseRepresentation
bin1001100011001111110110…
…01110100111110010001100
32202100210122002121022210112
410301213323032213302030
510223100212331234312
6112400154504255152
74265236551452510
oct461477316476214
982323562538715
1021002310024332
11676803653044a
12243247b1714b8
13b94681024380
145287353c2140
152664b92edd22
hex1319fb3a7c8c

21002310024332 has 48 divisors (see below), whose sum is σ = 45910905089280. Its totient is φ = 8184597106752.

The previous prime is 21002310024329. The next prime is 21002310024341. The reversal of 21002310024332 is 23342001320012.

It is a junction number, because it is equal to n+sod(n) for n = 21002310024298 and 21002310024307.

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, 430562582 + ... + 430611357.

It is an arithmetic number, because the mean of its divisors is an integer number (956477189360).

Almost surely, 221002310024332 is an apocalyptic number.

It is an amenable number.

21002310024332 is an abundant number, since it is smaller than the sum of its proper divisors (24908595064948).

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

21002310024332 is a wasteful number, since it uses less digits than its factorization.

21002310024332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861174030 (or 861174028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21002310024332 its reverse (23342001320012), we get a palindrome (44344311344344).

The spelling of 21002310024332 in words is "twenty-one trillion, two billion, three hundred ten million, twenty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 67 91 134 182 268 364 469 871 938 1742 1876 3484 6097 12194 24388 861173939 1722347878 3444695756 6028217573 11195261207 12056435146 22390522414 24112870292 44781044828 57698653913 78366828449 115397307826 156733656898 230794615652 313467313796 403890577391 750082500869 807781154782 1500165001738 1615562309564 3000330003476 5250577506083 10501155012166 21002310024332