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10132221220 = 2251146055551
BaseRepresentation
bin10010110111110110…
…10110110100100100
3222011010120011112121
421123323112310210
5131222322034340
64353224355324
7506041313362
oct113373266444
928133504477
1010132221220
11432a413850
121b69315b44
13c56202c94
146c1940632
153e47c994a
hex25bed6d24

10132221220 has 24 divisors (see below), whose sum is σ = 23211998208. Its totient is φ = 3684444000.

The previous prime is 10132221139. The next prime is 10132221251. The reversal of 10132221220 is 2212223101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10132221194 and 10132221203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23027556 + ... + 23027995.

It is an arithmetic number, because the mean of its divisors is an integer number (967166592).

Almost surely, 210132221220 is an apocalyptic number.

10132221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10132221220 is an abundant number, since it is smaller than the sum of its proper divisors (13079776988).

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

10132221220 is a wasteful number, since it uses less digits than its factorization.

10132221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46055571 (or 46055569 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10132221220 its reverse (2212223101), we get a palindrome (12344444321).

The spelling of 10132221220 in words is "ten billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 46055551 92111102 184222204 230277755 460555510 506611061 921111020 1013222122 2026444244 2533055305 5066110610 10132221220