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20123211120313 = 711632471835293
BaseRepresentation
bin1001001001101010011001…
…10110011011111010111001
32122020202112011220221010011
410210311030312123322321
510114144314021322223
6110444250420021521
74144565634201040
oct444651466337271
978222464827104
1020123211120313
11645922a0803a4
12231001a8318a1
13b2c7c28313a2
144d7d7bc45557
1524d6b6bd480d
hex124d4cd9beb9

20123211120313 has 8 divisors (see below), whose sum is σ = 23017730257728. Its totient is φ = 17233635655824.

The previous prime is 20123211120301. The next prime is 20123211120319. The reversal of 20123211120313 is 31302111232102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123211120313 - 233 = 20114621185721 is a prime.

It is a super-2 number, since 2×201232111203132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123211120319) 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, 1235909506 + ... + 1235925787.

It is an arithmetic number, because the mean of its divisors is an integer number (2877216282216).

Almost surely, 220123211120313 is an apocalyptic number.

It is an amenable number.

20123211120313 is a deficient number, since it is larger than the sum of its proper divisors (2894519137415).

20123211120313 is a wasteful number, since it uses less digits than its factorization.

20123211120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471836463.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20123211120313 its reverse (31302111232102), we get a palindrome (51425322352415).

The spelling of 20123211120313 in words is "twenty trillion, one hundred twenty-three billion, two hundred eleven million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 7 1163 8141 2471835293 17302847051 2874744445759 20123211120313