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52428936812 = 22779103230117
BaseRepresentation
bin110000110101000000…
…100001011001101100
312000022212021221112112
4300311000201121230
51324333301434222
640030250023152
73534144416120
oct606500413154
9160285257475
1052428936812
112026484a24a
12a1b2417ab8
134c3704a745
142775163580
15156cc34be2
hexc3502166c

52428936812 has 48 divisors (see below), whose sum is σ = 107216578560. Its totient is φ = 21969634752.

The previous prime is 52428936811. The next prime is 52428936829. The reversal of 52428936812 is 21863982425.

It is not an unprimeable number, because it can be changed into a prime (52428936811) 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, 112778 + ... + 342894.

It is an arithmetic number, because the mean of its divisors is an integer number (2233678720).

Almost surely, 252428936812 is an apocalyptic number.

It is an amenable number.

52428936812 is an abundant number, since it is smaller than the sum of its proper divisors (54787641748).

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

52428936812 is a wasteful number, since it uses less digits than its factorization.

52428936812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230310 (or 230308 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The spelling of 52428936812 in words is "fifty-two billion, four hundred twenty-eight million, nine hundred thirty-six thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 79 103 158 206 316 412 553 721 1106 1442 2212 2884 8137 16274 32548 56959 113918 227836 230117 460234 920468 1610819 3221638 6443276 18179243 23702051 36358486 47404102 72716972 94808204 127254701 165914357 254509402 331828714 509018804 663657428 1872462029 3744924058 7489848116 13107234203 26214468406 52428936812