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84920768123500 = 2253983917262073
BaseRepresentation
bin10011010011110000101000…
…001101111101001001101100
3102010200100100100012210101201
4103103300220031331021230
542112320213114423000
6500340021243015244
723613215541052141
oct2323605015751154
9363610310183351
1084920768123500
11250707717a9131
12963626950a524
13384ccbcc9340a
1416d82895d03c8
159c3eb631896a
hex4d3c2837d26c

84920768123500 has 48 divisors (see below), whose sum is σ = 185485818510720. Its totient is φ = 33964852867200.

The previous prime is 84920768123483. The next prime is 84920768123501. The reversal of 84920768123500 is 532186702948.

It is a super-2 number, since 2×849207681235002 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84920768123501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711537 + ... + 13550536.

It is an arithmetic number, because the mean of its divisors is an integer number (3864287885640).

It is a 2-persistent number, because it is pandigital, and so is 2⋅84920768123500 = 169841536247000, but 3⋅84920768123500 = 254762304370500 is not.

Almost surely, 284920768123500 is an apocalyptic number.

It is an amenable number.

84920768123500 is an abundant number, since it is smaller than the sum of its proper divisors (100565050387220).

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

84920768123500 is a wasteful number, since it uses less digits than its factorization.

84920768123500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17271931 (or 17271919 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 84920768123500 in words is "eighty-four trillion, nine hundred twenty billion, seven hundred sixty-eight million, one hundred twenty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 9839 19678 39356 49195 98390 196780 245975 491950 983900 1229875 2459750 4919500 17262073 34524146 69048292 86310365 172620730 345241460 431551825 863103650 1726207300 2157759125 4315518250 8631036500 169841536247 339683072494 679366144988 849207681235 1698415362470 3396830724940 4246038406175 8492076812350 16984153624700 21230192030875 42460384061750 84920768123500