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23050443500 = 225377390217
BaseRepresentation
bin10101011101111010…
…011101101011101100
32012111102110212001122
4111131322131223230
5334201403143000
614331135000112
71444132352120
oct253572355354
965442425048
1023050443500
119859413407
124573669038
1322346713a6
14118949d580
158ed976085
hex55de9daec

23050443500 has 96 divisors (see below), whose sum is σ = 58322689152. Its totient is φ = 7794662400.

The previous prime is 23050443473. The next prime is 23050443511. The reversal of 23050443500 is 534405032.

It is a self number, because there is not a number n which added to its sum of digits gives 23050443500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210392 + ... + 300608.

It is an arithmetic number, because the mean of its divisors is an integer number (607528012).

Almost surely, 223050443500 is an apocalyptic number.

23050443500 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 23050443500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29161344576).

23050443500 is an abundant number, since it is smaller than the sum of its proper divisors (35272245652).

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

23050443500 is a wasteful number, since it uses less digits than its factorization.

23050443500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90316 (or 90304 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 23050443500 its reverse (534405032), we get a palindrome (23584848532).

The spelling of 23050443500 in words is "twenty-three billion, fifty million, four hundred forty-three thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 73 100 125 140 146 175 250 292 350 365 500 511 700 730 875 1022 1460 1750 1825 2044 2555 3500 3650 5110 7300 9125 10220 12775 18250 25550 36500 51100 63875 90217 127750 180434 255500 360868 451085 631519 902170 1263038 1804340 2255425 2526076 3157595 4510850 6315190 6585841 9021700 11277125 12630380 13171682 15787975 22554250 26343364 31575950 32929205 45108500 46100887 63151900 65858410 78939875 92201774 131716820 157879750 164646025 184403548 230504435 315759500 329292050 461008870 658584100 823230125 922017740 1152522175 1646460250 2305044350 3292920500 4610088700 5762610875 11525221750 23050443500