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10023121321122 = 2371318357365057
BaseRepresentation
bin1001000111011011000010…
…0101011111110010100010
31022111012102120002001201010
42101312300211133302202
52303204323024233442
633152320335121350
72053101201336630
oct221666045376242
938435376061633
1010023121321122
113214866757878
12115a66b073256
1357923a3b4a20
1426919bb9c350
15125acec19b9c
hex91db095fca2

10023121321122 has 32 divisors (see below), whose sum is σ = 24672298637952. Its totient is φ = 2643460568064.

The previous prime is 10023121321021. The next prime is 10023121321123. The reversal of 10023121321122 is 22112312132001.

10023121321122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100231213211222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10023121321123) 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, 9178681983 + ... + 9178683074.

It is an arithmetic number, because the mean of its divisors is an integer number (771009332436).

Almost surely, 210023121321122 is an apocalyptic number.

10023121321122 is an abundant number, since it is smaller than the sum of its proper divisors (14649177316830).

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

10023121321122 is a wasteful number, since it uses less digits than its factorization.

10023121321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18357365082.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10023121321122 its reverse (22112312132001), we get a palindrome (32135433453123).

The spelling of 10023121321122 in words is "ten trillion, twenty-three billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 18357365057 36714730114 55072095171 110144190342 128501555399 238645745741 257003110798 385504666197 477291491482 715937237223 771009332394 1431874474446 1670520220187 3341040440374 5011560660561 10023121321122