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10110199990 = 25114310121163
BaseRepresentation
bin10010110101001110…
…10110100010110110
3222002121010101002111
421122213112202312
5131201202344430
64351120401234
7505353165502
oct113247264266
928077111074
1010110199990
114318a42990
121b61a7621a
13c51792877
146bca4b302
153e28c9c2a
hex25a9d68b6

10110199990 has 64 divisors (see below), whose sum is σ = 20516550912. Its totient is φ = 3555216000.

The previous prime is 10110199951. The next prime is 10110199997. The reversal of 10110199990 is 9999101101.

10110199990 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101101999902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110199997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467149 + ... + 488311.

It is an arithmetic number, because the mean of its divisors is an integer number (320571108).

Almost surely, 210110199990 is an apocalyptic number.

10110199990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10110199990 is an abundant number, since it is smaller than the sum of its proper divisors (10406350922).

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

10110199990 is a wasteful number, since it uses less digits than its factorization.

10110199990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21325.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 10110199990 in words is "ten billion, one hundred ten million, one hundred ninety-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 43 55 86 101 110 202 215 430 473 505 946 1010 1111 2222 2365 4343 4730 5555 8686 11110 21163 21715 42326 43430 47773 95546 105815 211630 232793 238865 465586 477730 910009 1163965 1820018 2137463 2327930 4274926 4550045 9100090 10010099 10687315 20020198 21374630 23512093 47024186 50050495 91910909 100100990 117560465 183821818 235120930 459554545 919109090 1011019999 2022039998 5055099995 10110199990