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28852085124 = 223219239317627
BaseRepresentation
bin11010110111101101…
…111110000110000100
32202110202021210012100
4122313231332012010
5433042113210444
621130544152100
72040660451152
oct326755760604
982422253170
1028852085124
1111266282655
125712608630
13294a609125
141579bd63d2
15b3ce7ae69
hex6b7b7e184

28852085124 has 72 divisors (see below), whose sum is σ = 76806606240. Its totient is φ = 9106860672.

The previous prime is 28852085083. The next prime is 28852085221. The reversal of 28852085124 is 42158025882.

28852085124 is a `hidden beast` number, since 2 + 88 + 52 + 0 + 8 + 512 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28852085124.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1627999 + ... + 1645625.

It is an arithmetic number, because the mean of its divisors is an integer number (1066758420).

Almost surely, 228852085124 is an apocalyptic number.

It is an amenable number.

28852085124 is an abundant number, since it is smaller than the sum of its proper divisors (47954521116).

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

28852085124 is a wasteful number, since it uses less digits than its factorization.

28852085124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20049 (or 20044 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The spelling of 28852085124 in words is "twenty-eight billion, eight hundred fifty-two million, eighty-five thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 2393 4786 7179 9572 14358 17627 21537 28716 35254 43074 45467 52881 70508 86148 90934 105762 136401 158643 181868 211524 272802 317286 334913 409203 545604 634572 669826 818406 1004739 1339652 1636812 2009478 3014217 4018956 6028434 12056868 42181411 84362822 126544233 168725644 253088466 379632699 506176932 759265398 801446809 1518530796 1602893618 2404340427 3205787236 4808680854 7213021281 9617361708 14426042562 28852085124