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10423422121 = 72921770583
BaseRepresentation
bin10011011010100100…
…01100110010101001
3222220102111201002011
421231102030302221
5132321344001441
64442150035521
7516205424530
oct115522146251
928812451064
1010423422121
114469828352
12202a948ba1
13ca163c9c8
1470c4a3317
1541014b581
hex26d48cca9

10423422121 has 12 divisors (see below), whose sum is σ = 12337429312. Its totient is φ = 8626275504.

The previous prime is 10423422071. The next prime is 10423422131. The reversal of 10423422121 is 12122432401.

It is not a de Polignac number, because 10423422121 - 29 = 10423421609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10423422092 and 10423422101.

It is not an unprimeable number, because it can be changed into a prime (10423422131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879405 + ... + 891178.

Almost surely, 210423422121 is an apocalyptic number.

It is an amenable number.

10423422121 is a deficient number, since it is larger than the sum of its proper divisors (1914007191).

10423422121 is an equidigital number, since it uses as much as digits as its factorization.

10423422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770648 (or 1770619 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10423422121 its reverse (12122432401), we get a palindrome (22545854522).

The spelling of 10423422121 in words is "ten billion, four hundred twenty-three million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 7 29 203 841 5887 1770583 12394081 51346907 359428349 1489060303 10423422121