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23003100984 = 2333743160103
BaseRepresentation
bin10101011011000101…
…110111011100111000
32012101010101121100010
4111123011313130320
5334102243212414
614322324141520
71443016063233
oct253305673470
965333347303
1023003100984
119834718266
12455b8378a0
132227906776
14118309841a
158e9723959
hex55b177738

23003100984 has 64 divisors (see below), whose sum is σ = 59200035840. Its totient is φ = 7443031680.

The previous prime is 23003100983. The next prime is 23003101057. The reversal of 23003100984 is 48900130032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003100983) 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, 352677 + ... + 412779.

It is an arithmetic number, because the mean of its divisors is an integer number (925000560).

Almost surely, 223003100984 is an apocalyptic number.

23003100984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23003100984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29600017920).

23003100984 is an abundant number, since it is smaller than the sum of its proper divisors (36196934856).

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

23003100984 is a wasteful number, since it uses less digits than its factorization.

23003100984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60580 (or 60576 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 23003100984 in words is "twenty-three billion, three million, one hundred thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 431 444 862 888 1293 1724 2586 3448 5172 10344 15947 31894 47841 60103 63788 95682 120206 127576 180309 191364 240412 360618 382728 480824 721236 1442472 2223811 4447622 6671433 8895244 13342866 17790488 25904393 26685732 51808786 53371464 77713179 103617572 155426358 207235144 310852716 621705432 958462541 1916925082 2875387623 3833850164 5750775246 7667700328 11501550492 23003100984