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10240012220 = 2251773412571
BaseRepresentation
bin10011000100101101…
…00010111110111100
3222102122101111222212
421202112202332330
5131432420342340
64412034555552
7511520445014
oct114226427674
928378344885
1010240012220
114385246819
121b99438bb8
13c72643a39
146d1d9cc44
153edebca65
hex2625a2fbc

10240012220 has 48 divisors (see below), whose sum is σ = 23080927968. Its totient is φ = 3802245120.

The previous prime is 10240012063. The next prime is 10240012231. The reversal of 10240012220 is 2221004201.

It is a junction number, because it is equal to n+sod(n) for n = 10240012195 and 10240012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181466 + ... + 231105.

It is an arithmetic number, because the mean of its divisors is an integer number (480852666).

Almost surely, 210240012220 is an apocalyptic number.

10240012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10240012220 is an abundant number, since it is smaller than the sum of its proper divisors (12840915748).

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

10240012220 is a wasteful number, since it uses less digits than its factorization.

10240012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412670 (or 412668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10240012220 its reverse (2221004201), we get a palindrome (12461016421).

The spelling of 10240012220 in words is "ten billion, two hundred forty million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 73 85 146 170 292 340 365 730 1241 1460 2482 4964 6205 12410 24820 412571 825142 1650284 2062855 4125710 7013707 8251420 14027414 28054828 30117683 35068535 60235366 70137070 120470732 140274140 150588415 301176830 512000611 602353660 1024001222 2048002444 2560003055 5120006110 10240012220