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131000321402368 = 291197239793817
BaseRepresentation
bin11101110010010011100011…
…100111110110011000000000
3122011211111201122012122102021
4131302103203213312120000
5114132302124234333433
61142340414501131224
736410314041266605
oct3562234347663000
9564744648178367
10131000321402368
1138816a19295510
12128388a66b9b14
13581337b303332
14244c64118a6ac
15102294414a22d
hex7724e39f6600

131000321402368 has 80 divisors (see below), whose sum is σ = 288483473157264. Its totient is φ = 58931728220160.

The previous prime is 131000321402311. The next prime is 131000321402369. The reversal of 131000321402368 is 863204123000131.

It is a super-2 number, since 2×1310003214023682 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000321402369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119350605 + ... + 120443212.

Almost surely, 2131000321402368 is an apocalyptic number.

It is an amenable number.

131000321402368 is an abundant number, since it is smaller than the sum of its proper divisors (157483151754896).

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

131000321402368 is an equidigital number, since it uses as much as digits as its factorization.

131000321402368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239793943 (or 239793927 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 131000321402368 its reverse (863204123000131), we get a palindrome (994204444402499).

The spelling of 131000321402368 in words is "one hundred thirty-one trillion, three hundred twenty-one million, four hundred two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 97 128 176 194 256 352 388 512 704 776 1067 1408 1552 2134 2816 3104 4268 5632 6208 8536 12416 17072 24832 34144 49664 68288 136576 273152 546304 239793817 479587634 959175268 1918350536 2637731987 3836701072 5275463974 7673402144 10550927948 15346804288 21101855896 23260000249 30693608576 42203711792 46520000498 61387217152 84407423584 93040000996 122774434304 168814847168 186080001992 255860002739 337629694336 372160003984 511720005478 675259388672 744320007968 1023440010956 1350518777344 1488640015936 2046880021912 2977280031872 4093760043824 5954560063744 8187520087648 11909120127488 16375040175296 32750080350592 65500160701184 131000321402368