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20092129456 = 2471730493461
BaseRepresentation
bin10010101101100101…
…011001000010110000
31220212020212221002211
4102231211121002300
5312122041120311
613121420021504
71310621165620
oct225545310260
956766787084
1020092129456
118580535273
123a88991894
131b827c3bc9
14d88628880
157c8db8821
hex4ad9590b0

20092129456 has 80 divisors (see below), whose sum is σ = 47135822400. Its totient is φ = 8099389440.

The previous prime is 20092129441. The next prime is 20092129457. The reversal of 20092129456 is 65492129002.

It is a super-3 number, since 3×200921294563 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20092129457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5803566 + ... + 5807026.

It is an arithmetic number, because the mean of its divisors is an integer number (589197780).

Almost surely, 220092129456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20092129456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23567911200).

20092129456 is an abundant number, since it is smaller than the sum of its proper divisors (27043692944).

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

20092129456 is a wasteful number, since it uses less digits than its factorization.

20092129456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 20092129456 in words is "twenty billion, ninety-two million, one hundred twenty-nine thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 3049 3461 6098 6922 12196 13844 21343 24227 24392 27688 42686 48454 48784 51833 55376 58837 85372 96908 103666 117674 170744 193816 207332 235348 341488 362831 387632 411859 414664 470696 725662 823718 829328 941392 1451324 1647436 2902648 3294872 5805296 6589744 10552589 21105178 42210356 73868123 84420712 147736246 168841424 179394013 295472492 358788026 590944984 717576052 1181889968 1255758091 1435152104 2511516182 2870304208 5023032364 10046064728 20092129456