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23102230302 = 23219102166161
BaseRepresentation
bin10101100001000000…
…000000111100011110
32012122000220220012100
4111201000000330132
5334303132332202
614340224545530
71445331501054
oct254100007436
965560826170
1023102230302
119885674618
124588a822a6
132242303b78
1411923001d4
159032a541c
hex561000f1e

23102230302 has 48 divisors (see below), whose sum is σ = 52741699920. Its totient is φ = 7288185600.

The previous prime is 23102230297. The next prime is 23102230313. The reversal of 23102230302 is 20303220132.

It is a happy number.

23102230302 is a `hidden beast` number, since 2 + 310 + 22 + 30 + 302 = 666.

It is a super-2 number, since 2×231022303022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316102 + ... + 382262.

It is an arithmetic number, because the mean of its divisors is an integer number (1098785415).

Almost surely, 223102230302 is an apocalyptic number.

23102230302 is an abundant number, since it is smaller than the sum of its proper divisors (29639469618).

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

23102230302 is a wasteful number, since it uses less digits than its factorization.

23102230302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67209 (or 67206 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23102230302 its reverse (20303220132), we get a palindrome (43405450434).

The spelling of 23102230302 in words is "twenty-three billion, one hundred two million, two hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 1021 2042 3063 6126 9189 18378 19399 38798 58197 66161 116394 132322 174591 198483 349182 396966 595449 1190898 1257059 2514118 3771177 7542354 11313531 22627062 67550381 135100762 202651143 405302286 607953429 1215906858 1283457239 2566914478 3850371717 7700743434 11551115151 23102230302