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20313132021264 = 2432267186674129
BaseRepresentation
bin1001001111001100001010…
…00001001011011000010000
32122220220202002121022222210
410213212011001023120100
510130302243244140024
6111111420220032120
74164401230211445
oct447460501133020
978826662538883
1020313132021264
116521829511275
1223409a2992640
13b4469b959b14
145032374939cc
152535d0374129
hex12798504b610

20313132021264 has 40 divisors (see below), whose sum is σ = 52498738928160. Its totient is φ = 6768057184768.

The previous prime is 20313132021239. The next prime is 20313132021269. The reversal of 20313132021264 is 46212023131302.

It is not an unprimeable number, because it can be changed into a prime (20313132021269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93228249 + ... + 93445880.

It is an arithmetic number, because the mean of its divisors is an integer number (1312468473204).

Almost surely, 220313132021264 is an apocalyptic number.

20313132021264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20313132021264 is an abundant number, since it is smaller than the sum of its proper divisors (32185606906896).

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

20313132021264 is a wasteful number, since it uses less digits than its factorization.

20313132021264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186676407 (or 186676401 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 20313132021264 its reverse (46212023131302), we get a palindrome (66525155152566).

The spelling of 20313132021264 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, twenty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2267 4534 6801 9068 13602 18136 27204 36272 54408 108816 186674129 373348258 560022387 746696516 1120044774 1493393032 2240089548 2986786064 4480179096 8960358192 423190250443 846380500886 1269570751329 1692761001772 2539141502658 3385522003544 5078283005316 6771044007088 10156566010632 20313132021264