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10222121054 = 237138136771
BaseRepresentation
bin10011000010100100…
…10011000001011110
3222101101201112221002
421201102103001132
5131413330333204
64410155310302
7511212411125
oct114122230136
928341645832
1010222121054
114376136932
121b9344b392
13c6ba1b452
146cd862abc
153ec63691e
hex26149305e

10222121054 has 8 divisors (see below), whose sum is σ = 15747592008. Its totient is φ = 4972923720.

The previous prime is 10222121053. The next prime is 10222121069. The reversal of 10222121054 is 45012122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69068312 + ... + 69068459.

It is an arithmetic number, because the mean of its divisors is an integer number (1968449001).

Almost surely, 210222121054 is an apocalyptic number.

10222121054 is a deficient number, since it is larger than the sum of its proper divisors (5525470954).

10222121054 is a wasteful number, since it uses less digits than its factorization.

10222121054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138136810.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10222121054 its reverse (45012122201), we get a palindrome (55234243255).

The spelling of 10222121054 in words is "ten billion, two hundred twenty-two million, one hundred twenty-one thousand, fifty-four".

Divisors: 1 2 37 74 138136771 276273542 5111060527 10222121054