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23103330132 = 2231925277511
BaseRepresentation
bin10101100001000100…
…001101011101010100
32012122002222202212210
4111201010031131110
5334303423031012
614340304313420
71445344031421
oct254104153524
965562882783
1023103330132
119886255973
124589312870
1322425ca65c
141192508d48
1590342123c
hex56110d754

23103330132 has 12 divisors (see below), whose sum is σ = 53907770336. Its totient is φ = 7701110040.

The previous prime is 23103330101. The next prime is 23103330139.

23103330132 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23103330099 and 23103330108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103330139) 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, 962638744 + ... + 962638767.

Almost surely, 223103330132 is an apocalyptic number.

It is an amenable number.

23103330132 is an abundant number, since it is smaller than the sum of its proper divisors (30804440204).

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

23103330132 is a wasteful number, since it uses less digits than its factorization.

23103330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925277518 (or 1925277516 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The spelling of 23103330132 in words is "twenty-three billion, one hundred three million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1925277511 3850555022 5775832533 7701110044 11551665066 23103330132