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10222123018 = 217631476467
BaseRepresentation
bin10011000010100100…
…10011100000001010
3222101101201122121211
421201102103200022
5131413330414033
64410155323334
7511212416632
oct114122234012
928341648554
1010222123018
114376138358
121b9345054a
13c6ba1c303
146cd8636c2
153ec6372cd
hex26149380a

10222123018 has 16 divisors (see below), whose sum is σ = 16260899904. Its totient is φ = 4802777280.

The previous prime is 10222123003. The next prime is 10222123019. The reversal of 10222123018 is 81032122201.

It is a self number, because there is not a number n which added to its sum of digits gives 10222123018.

It is not an unprimeable number, because it can be changed into a prime (10222123019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216780 + ... + 259687.

It is an arithmetic number, because the mean of its divisors is an integer number (1016306244).

Almost surely, 210222123018 is an apocalyptic number.

10222123018 is a deficient number, since it is larger than the sum of its proper divisors (6038776886).

10222123018 is a wasteful number, since it uses less digits than its factorization.

10222123018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477117.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10222123018 its reverse (81032122201), we get a palindrome (91254245219).

The spelling of 10222123018 in words is "ten billion, two hundred twenty-two million, one hundred twenty-three thousand, eighteen".

Divisors: 1 2 17 34 631 1262 10727 21454 476467 952934 8099939 16199878 300650677 601301354 5111061509 10222123018