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131213131100032 = 274914643449663
BaseRepresentation
bin11101110101011001110000…
…000100011010111110000000
3122012120212000201012101122111
4131311121300010122332000
5114144243443030200112
61143022251423345104
736431556465004132
oct3565316004327600
9565525021171574
10131213131100032
11388991a3872103
1212871b98152194
13582a464453c67
142458a6c61b052
15102824be805a7
hex77567011af80

131213131100032 has 64 divisors (see below), whose sum is σ = 261990542223360. Its totient is φ = 65458700285440.

The previous prime is 131213131099979. The next prime is 131213131100039. The reversal of 131213131100032 is 230001131312131.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 131213131099976 and 131213131100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213131100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291578433 + ... + 292028095.

It is an arithmetic number, because the mean of its divisors is an integer number (4093602222240).

Almost surely, 2131213131100032 is an apocalyptic number.

It is an amenable number.

131213131100032 is a deficient number, since it is larger than the sum of its proper divisors (130777411123328).

131213131100032 is an equidigital number, since it uses as much as digits as its factorization.

131213131100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454811 (or 454799 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131213131100032 its reverse (230001131312131), we get a palindrome (361214262412163).

The spelling of 131213131100032 in words is "one hundred thirty-one trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 491 982 1964 3928 4643 7856 9286 15712 18572 31424 37144 62848 74288 148576 297152 449663 594304 899326 1798652 2279713 3597304 4559426 7194608 9118852 14389216 18237704 28778432 36475408 57556864 72950816 145901632 220784533 291803264 441569066 883138132 1766276264 2087785309 3532552528 4175570618 7065105056 8351141236 14130210112 16702282472 28260420224 33404564944 66809129888 133618259776 267236519552 1025102586719 2050205173438 4100410346876 8200820693752 16401641387504 32803282775008 65606565550016 131213131100032