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10112311020 = 22357297091171
BaseRepresentation
bin10010110101011110…
…11001111011101100
3222002202002121212210
421122233121323230
5131202222423040
64351233530420
7505410140220
oct113257317354
928082077783
1010112311020
11431a154a39
121b62713a10
13c520516b6
146bd03a780
153e2b95480
hex25abd9eec

10112311020 has 192 divisors, whose sum is σ = 33551078400. Its totient is φ = 2226631680.

The previous prime is 10112310983. The next prime is 10112311061. The reversal of 10112311020 is 2011321101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10112310987 and 10112311005.

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, 8635035 + ... + 8636205.

It is an arithmetic number, because the mean of its divisors is an integer number (174745200).

Almost surely, 210112311020 is an apocalyptic number.

10112311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10112311020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16775539200).

10112311020 is an abundant number, since it is smaller than the sum of its proper divisors (23438767380).

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

10112311020 is a wasteful number, since it uses less digits than its factorization.

10112311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10112311020 its reverse (2011321101), we get a palindrome (12123632121).

The spelling of 10112311020 in words is "ten billion, one hundred twelve million, three hundred eleven thousand, twenty".