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52012112323100 = 2252839929631133
BaseRepresentation
bin10111101001110000000110…
…11110101010001000011100
320211011022100112110212210012
423310320003132222020130
523304131301223314400
6302342011243302352
713645515426111416
oct1364700336521034
9224138315425705
1052012112323100
11156332384a9556
125a0036721a9b8
13230394b488727
14cbb5849939b6
15602e4b198d35
hex2f4e037aa21c

52012112323100 has 72 divisors (see below), whose sum is σ = 114237803781360. Its totient is φ = 20552081466880.

The previous prime is 52012112323079. The next prime is 52012112323111. The reversal of 52012112323100 is 132321121025.

It is a super-2 number, since 2×520121123231002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 82095134 + ... + 82726266.

It is an arithmetic number, because the mean of its divisors is an integer number (1586636163630).

Almost surely, 252012112323100 is an apocalyptic number.

52012112323100 is a gapful number since it is divisible by the number (50) 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 52012112323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57118901890680).

52012112323100 is an abundant number, since it is smaller than the sum of its proper divisors (62225691458260).

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

52012112323100 is a wasteful number, since it uses less digits than its factorization.

52012112323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641159 (or 641152 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 52012112323100 its reverse (132321121025), we get a palindrome (52144433444125).

The spelling of 52012112323100 in words is "fifty-two trillion, twelve billion, one hundred twelve million, three hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 2075 4150 8300 9929 19858 39716 49645 99290 198580 248225 496450 631133 824107 992900 1262266 1648214 2524532 3155665 3296428 4120535 6311330 8241070 12622660 15778325 16482140 20602675 31556650 41205350 52384039 63113300 82410700 104768078 209536156 261920195 523840390 1047680780 1309600975 2619201950 5238403900 6266519557 12533039114 25066078228 31332597785 62665195570 125330391140 156662988925 313325977850 520121123231 626651955700 1040242246462 2080484492924 2600605616155 5201211232310 10402422464620 13003028080775 26006056161550 52012112323100