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23445530164 = 2278211019903
BaseRepresentation
bin10101110101011101…
…100110011000110100
32020111221220100002001
4111311131212120310
5341004023431124
614434251025044
71460000501230
oct256535463064
966457810061
1023445530164
119a41432911
124663a3b184
132298482494
1411c5b455c0
159234b8b44
hex575766634

23445530164 has 24 divisors (see below), whose sum is σ = 46948220928. Its totient is φ = 10035835680.

The previous prime is 23445530137. The next prime is 23445530167. The reversal of 23445530164 is 46103554432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445530167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486964 + ... + 532939.

It is an arithmetic number, because the mean of its divisors is an integer number (1956175872).

Almost surely, 223445530164 is an apocalyptic number.

It is an amenable number.

23445530164 is an abundant number, since it is smaller than the sum of its proper divisors (23502690764).

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

23445530164 is a wasteful number, since it uses less digits than its factorization.

23445530164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020735 (or 1020733 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 23445530164 in words is "twenty-three billion, four hundred forty-five million, five hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 821 1642 3284 5747 11494 22988 1019903 2039806 4079612 7139321 14278642 28557284 837340363 1674680726 3349361452 5861382541 11722765082 23445530164