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12311001542730 = 235111427233911177
BaseRepresentation
bin1011001100100110000011…
…0111111011000001001010
31121120220211212100102000010
42303021200313323001022
53103200412343331410
642103332424252350
72410304044344432
oct263114067730112
947526755312003
1012311001542730
113a17080472a80
121469b556110b6
136b3bcb866097
14307bd9cb32c2
15165386375c20
hexb3260dfb04a

12311001542730 has 128 divisors (see below), whose sum is σ = 32271705123840. Its totient is φ = 2980851991040.

The previous prime is 12311001542717. The next prime is 12311001542747. The reversal of 12311001542730 is 3724510011321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1101452902 + ... + 1101464078.

It is an arithmetic number, because the mean of its divisors is an integer number (252122696280).

Almost surely, 212311001542730 is an apocalyptic number.

12311001542730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311001542730 is an abundant number, since it is smaller than the sum of its proper divisors (19960703581110).

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

12311001542730 is a wasteful number, since it uses less digits than its factorization.

12311001542730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14964.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 12311001542730 in words is "twelve trillion, three hundred eleven billion, one million, five hundred forty-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1427 2339 2854 4281 4678 7017 7135 8562 11177 11695 14034 14270 15697 21405 22354 23390 25729 31394 33531 35085 42810 47091 51458 55885 67062 70170 77187 78485 94182 111770 122947 128645 154374 156970 167655 235455 245894 257290 335310 368841 385935 470910 614735 737682 771870 1229470 1844205 3337753 3688410 6675506 10013259 15949579 16688765 20026518 26143003 31899158 33377530 36715283 47848737 50066295 52286006 73430566 78429009 79747895 95697474 100132590 110145849 130715015 156858018 159495790 175445369 183576415 220291698 239243685 261430030 287573033 350890738 367152830 392145045 478487370 526336107 550729245 575146066 784290090 862719099 877226845 1052672214 1101458490 1437865165 1725438198 1754453690 2631680535 2875730330 4313595495 5263361070 8627190990 37306065281 74612130562 111918195843 186530326405 223836391686 373060652810 410366718091 559590979215 820733436182 1119181958430 1231100154273 2051833590455 2462200308546 4103667180910 6155500771365 12311001542730