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20143656302 = 2711297615927
BaseRepresentation
bin10010110000101001…
…111100110101101110
31220222211211202122112
4102300221330311232
5312223234000202
613130500244022
71312115152640
oct226051746556
956884752575
1020143656302
1185a7629140
123aa20a0612
131b90395273
14d913dc890
157cd695b52
hex4b0a7cd6e

20143656302 has 64 divisors (see below), whose sum is σ = 39028055040. Its totient is φ = 7566316800.

The previous prime is 20143656263. The next prime is 20143656317. The reversal of 20143656302 is 20365634102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3395663 + ... + 3401589.

It is an arithmetic number, because the mean of its divisors is an integer number (609813360).

Almost surely, 220143656302 is an apocalyptic number.

20143656302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20143656302 is a deficient number, since it is larger than the sum of its proper divisors (18884398738).

20143656302 is a wasteful number, since it uses less digits than its factorization.

20143656302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 20143656302 in words is "twenty billion, one hundred forty-three million, six hundred fifty-six thousand, three hundred two".

Divisors: 1 2 7 11 14 22 29 58 77 154 203 319 406 638 761 1522 2233 4466 5327 5927 8371 10654 11854 16742 22069 41489 44138 58597 65197 82978 117194 130394 154483 171883 242759 308966 343766 456379 485518 912758 1203181 1699313 1890713 2406362 3398626 3781426 4510447 9020894 13234991 26469982 31573129 49614917 63146258 99229834 130802963 261605926 347304419 694608838 915620741 1438832593 1831241482 2877665186 10071828151 20143656302