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10221248136 = 2331138716849
BaseRepresentation
bin10011000010011101…
…11101111010001000
3222101100002012111210
421201032331322020
5131413114420021
64410124453120
7511202114151
oct114116757210
928340065453
1010221248136
1143756a0010
121b930aa1a0
13c6b7a4028
146cd6b6928
153ec512e76
hex2613bde88

10221248136 has 32 divisors (see below), whose sum is σ = 27876132000. Its totient is φ = 3097347840.

The previous prime is 10221248129. The next prime is 10221248137. The reversal of 10221248136 is 63184212201.

10221248136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10221248137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19358161 + ... + 19358688.

It is an arithmetic number, because the mean of its divisors is an integer number (871129125).

Almost surely, 210221248136 is an apocalyptic number.

It is an amenable number.

10221248136 is an abundant number, since it is smaller than the sum of its proper divisors (17654883864).

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

10221248136 is a wasteful number, since it uses less digits than its factorization.

10221248136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38716869 (or 38716865 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 10221248136 in words is "ten billion, two hundred twenty-one million, two hundred forty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 38716849 77433698 116150547 154867396 232301094 309734792 425885339 464602188 851770678 929204376 1277656017 1703541356 2555312034 3407082712 5110624068 10221248136