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20302431210514 = 2172271129613703
BaseRepresentation
bin1001001110111000001110…
…01100110100110000010010
32122212220010100010211020201
410213130013030310300102
510130113334342214024
6111102450320325414
74163542112630455
oct447340714646022
978786110124221
1020302431210514
116518238153822
12233a8b717386a
13b43684a0823b
1450290022549c
152531a5bd3744
hex127707334c12

20302431210514 has 24 divisors (see below), whose sum is σ = 32469788216448. Its totient is φ = 9518830274880.

The previous prime is 20302431210493. The next prime is 20302431210527. The reversal of 20302431210514 is 41501213420302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64650214 + ... + 64963489.

It is an arithmetic number, because the mean of its divisors is an integer number (1352907842352).

Almost surely, 220302431210514 is an apocalyptic number.

20302431210514 is a deficient number, since it is larger than the sum of its proper divisors (12167357005934).

20302431210514 is a wasteful number, since it uses less digits than its factorization.

20302431210514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129614010 (or 129613993 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20302431210514 its reverse (41501213420302), we get a palindrome (61803644630816).

The spelling of 20302431210514 in words is "twenty trillion, three hundred two billion, four hundred thirty-one million, two hundred ten thousand, five hundred fourteen".

Divisors: 1 2 17 34 271 289 542 578 4607 9214 78319 156638 129613703 259227406 2203432951 4406865902 35125313513 37458360167 70250627026 74916720334 597130329721 1194260659442 10151215605257 20302431210514