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52111412420 = 225191118111551
BaseRepresentation
bin110000100010000101…
…010000110011000100
311222111201211000221212
4300202011100303010
51323211010144140
635534544230552
73523240461044
oct604205206304
9158451730855
1052111412420
11201115964a1
12a12400b458
134bb63252a2
142744d0b724
15154ee13765
hexc22150cc4

52111412420 has 48 divisors (see below), whose sum is σ = 110109597696. Its totient is φ = 20716080000.

The previous prime is 52111412413. The next prime is 52111412443. The reversal of 52111412420 is 2421411125.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4505645 + ... + 4517195.

It is an arithmetic number, because the mean of its divisors is an integer number (2293949952).

Almost surely, 252111412420 is an apocalyptic number.

It is an amenable number.

52111412420 is an abundant number, since it is smaller than the sum of its proper divisors (57998185276).

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

52111412420 is a wasteful number, since it uses less digits than its factorization.

52111412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932 (or 12930 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 52111412420 its reverse (2421411125), we get a palindrome (54532823545).

The spelling of 52111412420 in words is "fifty-two billion, one hundred eleven million, four hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1181 1910 2362 3820 4724 5905 11551 11810 23102 23620 46204 57755 115510 225571 231020 451142 902284 1127855 2206241 2255710 4412482 4511420 8824964 11031205 13641731 22062410 27283462 44124820 54566924 68208655 136417310 272834620 2605570621 5211141242 10422282484 13027853105 26055706210 52111412420