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23011012000 = 255347122399
BaseRepresentation
bin10101011011100100…
…000010110110100000
32012101200021112012201
4111123210002312200
5334111304341000
614323205502544
71443143242354
oct253344026640
965350245181
1023011012000
119839130999
124562411a54
132229446542
141184157464
158ea28796a
hex55b902da0

23011012000 has 96 divisors (see below), whose sum is σ = 57741465600. Its totient is φ = 9008492800.

The previous prime is 23011011971. The next prime is 23011012049. The reversal of 23011012000 is 21011032.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 126801 + ... + 249199.

It is an arithmetic number, because the mean of its divisors is an integer number (601473600).

Almost surely, 223011012000 is an apocalyptic number.

23011012000 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 23011012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28870732800).

23011012000 is an abundant number, since it is smaller than the sum of its proper divisors (34730453600).

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

23011012000 is a wasteful number, since it uses less digits than its factorization.

23011012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122471 (or 122453 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 23011012000 its reverse (21011032), we get a palindrome (23032023032).

The spelling of 23011012000 in words is "twenty-three billion, eleven million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 47 50 80 94 100 125 160 188 200 235 250 376 400 470 500 752 800 940 1000 1175 1504 1880 2000 2350 3760 4000 4700 5875 7520 9400 11750 18800 23500 37600 47000 94000 122399 188000 244798 489596 611995 979192 1223990 1958384 2447980 3059975 3916768 4895960 5752753 6119950 9791920 11505506 12239900 15299875 19583840 23011012 24479800 28763765 30599750 46022024 48959600 57527530 61199500 92044048 97919200 115055060 122399000 143818825 184088096 230110120 244798000 287637650 460220240 489596000 575275300 719094125 920440480 1150550600 1438188250 2301101200 2876376500 4602202400 5752753000 11505506000 23011012000