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10120122021 = 320171672471
BaseRepresentation
bin10010110110011010…
…01100111010100101
3222010021210110120010
421123031030322211
5131211222401041
64352113200433
7505533421632
oct113315147245
928107713503
1010120122021
1143235aa509
121b65260119
13c53857aa9
146c00b1189
153e36d9a16
hex25b34cea5

10120122021 has 8 divisors (see below), whose sum is σ = 13500193984. Its totient is φ = 6743399040.

The previous prime is 10120121983. The next prime is 10120122041. The reversal of 10120122021 is 12022102101.

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

It is not a de Polignac number, because 10120122021 - 215 = 10120089253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120121988 and 10120122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120122041) 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, 830185 + ... + 842286.

It is an arithmetic number, because the mean of its divisors is an integer number (1687524248).

Almost surely, 210120122021 is an apocalyptic number.

It is an amenable number.

10120122021 is a deficient number, since it is larger than the sum of its proper divisors (3380071963).

10120122021 is a wasteful number, since it uses less digits than its factorization.

10120122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674491.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10120122021 its reverse (12022102101), we get a palindrome (22142224122).

The spelling of 10120122021 in words is "ten billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 3 2017 6051 1672471 5017413 3373374007 10120122021