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29676829824 = 27321712312
BaseRepresentation
bin11011101000111000…
…000111110010000000
32211121020012011020100
4123220320013302000
5441234232023244
621344445242400
72100263614515
oct335070076200
984536164210
1029676829824
1111649884544
125902863400
132a4c443c45
14161756330c
15b8a58eb69
hex6e8e07c80

29676829824 has 144 divisors (see below), whose sum is σ = 90495104310. Its totient is φ = 9302814720.

The previous prime is 29676829813. The next prime is 29676829829. The reversal of 29676829824 is 42892867692.

It can be written as a sum of positive squares in only one way, i.e., 21821198400 + 7855631424 = 147720^2 + 88632^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29676829829) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24107289 + ... + 24108519.

Almost surely, 229676829824 is an apocalyptic number.

29676829824 is a gapful number since it is divisible by the number (24) 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 29676829824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45247552155).

29676829824 is an abundant number, since it is smaller than the sum of its proper divisors (60818274486).

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

29676829824 is an equidigital number, since it uses as much as digits as its factorization.

29676829824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499 (or 1253 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 29676829824 in words is "twenty-nine billion, six hundred seventy-six million, eight hundred twenty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 272 288 306 384 408 544 576 612 816 1088 1152 1224 1231 1632 2176 2448 2462 3264 3693 4896 4924 6528 7386 9792 9848 11079 14772 19584 19696 20927 22158 29544 39392 41854 44316 59088 62781 78784 83708 88632 118176 125562 157568 167416 177264 188343 236352 251124 334832 354528 376686 472704 502248 669664 709056 753372 1004496 1339328 1418112 1506744 1515361 2008992 2678656 3013488 3030722 4017984 4546083 6026976 6061444 8035968 9092166 12053952 12122888 13638249 18184332 24107904 24245776 25761137 27276498 36368664 48491552 51522274 54552996 72737328 77283411 96983104 103044548 109105992 145474656 154566822 193966208 206089096 218211984 231850233 290949312 309133644 412178192 436423968 463700466 581898624 618267288 824356384 872847936 927400932 1236534576 1648712768 1745695872 1854801864 2473069152 3297425536 3709603728 4946138304 7419207456 9892276608 14838414912 29676829824