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29945684030520 = 2335277918979431
BaseRepresentation
bin1101100111100010001011…
…10110111111010000111000
310221000210001012121121202210
412303301011312333100320
512411112230102434040
6143404505103255120
76210334652306106
oct663610566772070
9127023035547683
1029945684030520
1195a5990a53285
123437810baa4a0
131392b3447b33b
14757543776c76
1536de51598480
hex1b3c45dbf438

29945684030520 has 64 divisors (see below), whose sum is σ = 89840294691840. Its totient is φ = 7985227510400.

The previous prime is 29945684030513. The next prime is 29945684030533. The reversal of 29945684030520 is 2503048654992.

It is a congruent number.

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, 1154796 + ... + 7824635.

It is an arithmetic number, because the mean of its divisors is an integer number (1403754604560).

Almost surely, 229945684030520 is an apocalyptic number.

29945684030520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29945684030520 is an abundant number, since it is smaller than the sum of its proper divisors (59894610661320).

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

29945684030520 is a wasteful number, since it uses less digits than its factorization.

29945684030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007236 (or 9007232 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 29945684030520 in words is "twenty-nine trillion, nine hundred forty-five billion, six hundred eighty-four million, thirty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 27791 55582 83373 111164 138955 166746 222328 277910 333492 416865 555820 666984 833730 1111640 1667460 3334920 8979431 17958862 26938293 35917724 44897155 53876586 71835448 89794310 107753172 134691465 179588620 215506344 269382930 359177240 538765860 1077531720 249547366921 499094733842 748642100763 998189467684 1247736834605 1497284201526 1996378935368 2495473669210 2994568403052 3743210503815 4990947338420 5989136806104 7486421007630 9981894676840 14972842015260 29945684030520