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29650628480 = 2751123183119
BaseRepresentation
bin11011100111010100…
…001010111110000000
32211112101212222202012
4123213110022332000
5441211030102410
621342111512052
72066525116664
oct334724127600
984471788665
1029650628480
1111636009040
1258b5b28628
132a46b9bca5
141613ca28a4
15b88116605
hex6e750af80

29650628480 has 128 divisors (see below), whose sum is σ = 80689996800. Its totient is φ = 10313205760.

The previous prime is 29650628461. The next prime is 29650628509. The reversal of 29650628480 is 8482605692.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×296506284802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70361 + ... + 253479.

It is an arithmetic number, because the mean of its divisors is an integer number (630390600).

Almost surely, 229650628480 is an apocalyptic number.

29650628480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29650628480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40344998400).

29650628480 is an abundant number, since it is smaller than the sum of its proper divisors (51039368320).

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

29650628480 is a wasteful number, since it uses less digits than its factorization.

29650628480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183172 (or 183160 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 29650628480 in words is "twenty-nine billion, six hundred fifty million, six hundred twenty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 64 80 88 92 110 115 128 160 176 184 220 230 253 320 352 368 440 460 506 640 704 736 880 920 1012 1265 1408 1472 1760 1840 2024 2530 2944 3520 3680 4048 5060 7040 7360 8096 10120 14720 16192 20240 32384 40480 80960 161920 183119 366238 732476 915595 1464952 1831190 2014309 2929904 3662380 4028618 4211737 5859808 7324760 8057236 8423474 10071545 11719616 14649520 16114472 16846948 20143090 21058685 23439232 29299040 32228944 33693896 40286180 42117370 46329107 58598080 64457888 67387792 80572360 84234740 92658214 117196160 128915776 134775584 161144720 168469480 185316428 231645535 257831552 269551168 322289440 336938960 370632856 463291070 539102336 644578880 673877920 741265712 926582140 1289157760 1347755840 1482531424 1853164280 2695511680 2965062848 3706328560 5930125696 7412657120 14825314240 29650628480