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12838928564900 = 2252799043179717
BaseRepresentation
bin1011101011010100101111…
…0001101100001010100100
31200110101112000011211122002
42322311023301230022210
53140323111203034100
643150042232424432
72463403422112604
oct272651361541244
950411460154562
1012838928564900
1140aaa60512589
12153432b248118
1372192375c839
1432559c0cac04
15173e83b072d5
hexbad4bc6c2a4

12838928564900 has 72 divisors (see below), whose sum is σ = 28216416117120. Its totient is φ = 5069975264640.

The previous prime is 12838928564857. The next prime is 12838928564921. The reversal of 12838928564900 is 946582983821.

12838928564900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 71349842 + ... + 71529558.

Almost surely, 212838928564900 is an apocalyptic number.

12838928564900 is a gapful number since it is divisible by the number (10) 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 12838928564900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108208058560).

12838928564900 is an abundant number, since it is smaller than the sum of its proper divisors (15377487552220).

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

12838928564900 is a wasteful number, since it uses less digits than its factorization.

12838928564900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188853 (or 188846 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 12838928564900 in words is "twelve trillion, eight hundred thirty-eight billion, nine hundred twenty-eight million, five hundred sixty-four thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 316 395 790 1580 1975 3950 7900 9043 18086 36172 45215 90430 179717 180860 226075 359434 452150 714397 718868 898585 904300 1428794 1797170 2857588 3571985 3594340 4492925 7143970 8985850 14197643 14287940 17859925 17971700 28395286 35719850 56790572 70988215 71439700 141976430 283952860 354941075 709882150 1419764300 1625180831 3250361662 6500723324 8125904155 16251808310 32503616620 40629520775 81259041550 128389285649 162518083100 256778571298 513557142596 641946428245 1283892856490 2567785712980 3209732141225 6419464282450 12838928564900