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23013311000 = 235390725373
BaseRepresentation
bin10101011011101100…
…110100001000011000
32012101211121022211212
4111123230310020120
5334112401423000
614323331042252
71443201626111
oct253354641030
965354538755
1023013311000
11983a461199
124563140388
132229a6cab4
141184595208
158ea58dc35
hex55bb34218

23013311000 has 64 divisors (see below), whose sum is σ = 53912645280. Its totient is φ = 9194812800.

The previous prime is 23013310979. The next prime is 23013311017. The reversal of 23013311000 is 11331032.

It is a super-2 number, since 2×230133110002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894314 + ... + 919686.

Almost surely, 223013311000 is an apocalyptic number.

23013311000 is a gapful number since it is divisible by the number (20) 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 23013311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26956322640).

23013311000 is an abundant number, since it is smaller than the sum of its proper divisors (30899334280).

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

23013311000 is a wasteful number, since it uses less digits than its factorization.

23013311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301 (or 26287 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 23013311000 its reverse (11331032), we get a palindrome (23024642032).

The spelling of 23013311000 in words is "twenty-three billion, thirteen million, three hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 907 1000 1814 3628 4535 7256 9070 18140 22675 25373 36280 45350 50746 90700 101492 113375 126865 181400 202984 226750 253730 453500 507460 634325 907000 1014920 1268650 2537300 3171625 5074600 6343250 12686500 23013311 25373000 46026622 92053244 115066555 184106488 230133110 460266220 575332775 920532440 1150665550 2301331100 2876663875 4602662200 5753327750 11506655500 23013311000