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10123022442 = 2313179725041
BaseRepresentation
bin10010110110110000…
…10001000001101010
3222010111020211012010
421123120101001222
5131212443204232
64352255300350
7505600161651
oct113330210152
928114224163
1010123022442
114325200655
121b6621a6b6
13c54332010
146c0628198
153e3aae0cc
hex25b61106a

10123022442 has 32 divisors (see below), whose sum is σ = 21925270080. Its totient is φ = 3097370880.

The previous prime is 10123022423. The next prime is 10123022447. The reversal of 10123022442 is 24422032101.

It is a super-2 number, since 2×101230224422 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10123022447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348559 + ... + 376482.

It is an arithmetic number, because the mean of its divisors is an integer number (685164690).

Almost surely, 210123022442 is an apocalyptic number.

10123022442 is an abundant number, since it is smaller than the sum of its proper divisors (11802247638).

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

10123022442 is a wasteful number, since it uses less digits than its factorization.

10123022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725238.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10123022442 its reverse (24422032101), we get a palindrome (34545054543).

The spelling of 10123022442 in words is "ten billion, one hundred twenty-three million, twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 179 358 537 1074 2327 4654 6981 13962 725041 1450082 2175123 4350246 9425533 18851066 28276599 56553198 129782339 259564678 389347017 778694034 1687170407 3374340814 5061511221 10123022442