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10120312990 = 252934897631
BaseRepresentation
bin10010110110011011…
…11011100010011110
3222010022011011112001
421123031323202132
5131211300003430
64352121232514
7505535145454
oct113315734236
928108134461
1010120312990
11432371aa37
121b6533273a
13c538c39a8
146c01209d4
153e37263ca
hex25b37b89e

10120312990 has 16 divisors (see below), whose sum is σ = 18844721280. Its totient is φ = 3908534560.

The previous prime is 10120312967. The next prime is 10120312991. The reversal of 10120312990 is 9921302101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120312991) 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, 17448526 + ... + 17449105.

It is an arithmetic number, because the mean of its divisors is an integer number (1177795080).

Almost surely, 210120312990 is an apocalyptic number.

10120312990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120312990 is a deficient number, since it is larger than the sum of its proper divisors (8724408290).

10120312990 is a wasteful number, since it uses less digits than its factorization.

10120312990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34897667.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 10120312990 in words is "ten billion, one hundred twenty million, three hundred twelve thousand, nine hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 34897631 69795262 174488155 348976310 1012031299 2024062598 5060156495 10120312990