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10012021311312 = 2432371879133129
BaseRepresentation
bin1001000110110001101011…
…1110010100011101010000
31022110010202222110010210200
42101230122332110131100
52303014104423430222
633143243055255200
72052226135661166
oct221543276243520
938403688403720
1010012021311312
113210090021149
12115849181a500
1357818b842297
142688278d7236
151256804c2eac
hex91b1af94750

10012021311312 has 60 divisors (see below), whose sum is σ = 28777044752820. Its totient is φ = 3247142045184.

The previous prime is 10012021311263. The next prime is 10012021311329. The reversal of 10012021311312 is 21311312021001.

10012021311312 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 20 + 21 + 311 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8994456853776 + 1017564457536 = 2999076^2 + 1008744^2 .

It is a super-2 number, since 2×100120213113122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939561237 + ... + 939571892.

It is an arithmetic number, because the mean of its divisors is an integer number (479617412547).

Almost surely, 210012021311312 is an apocalyptic number.

10012021311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10012021311312 is an abundant number, since it is smaller than the sum of its proper divisors (18765023441508).

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

10012021311312 is a wasteful number, since it uses less digits than its factorization.

10012021311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879133180 (or 1879133171 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10012021311312 its reverse (21311312021001), we get a palindrome (31323333332313).

The spelling of 10012021311312 in words is "ten trillion, twelve billion, twenty-one million, three hundred eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 296 333 444 592 666 888 1332 1776 2664 5328 1879133129 3758266258 5637399387 7516532516 11274798774 15033065032 16912198161 22549597548 30066130064 33824396322 45099195096 67648792644 69527925773 90198390192 135297585288 139055851546 208583777319 270595170576 278111703092 417167554638 556223406184 625751331957 834335109276 1112446812368 1251502663914 1668670218552 2503005327828 3337340437104 5006010655656 10012021311312