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23310102320 = 2455919972473
BaseRepresentation
bin10101101101011000…
…111110111100110000
32020011112001212222222
4111231120332330300
5340214341233240
614413012220212
71453434412661
oct255530767460
966145055888
1023310102320
119981a4397a
12462660a668
1322763b626b
1411b1b71368
15916666eb5
hex56d63ef30

23310102320 has 80 divisors (see below), whose sum is σ = 55164460320. Its totient is φ = 9157711872.

The previous prime is 23310102311. The next prime is 23310102323. The reversal of 23310102320 is 2320101332.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (23310102323) 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, 9424604 + ... + 9427076.

It is an arithmetic number, because the mean of its divisors is an integer number (689555754).

Almost surely, 223310102320 is an apocalyptic number.

23310102320 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 23310102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27582230160).

23310102320 is an abundant number, since it is smaller than the sum of its proper divisors (31854358000).

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

23310102320 is a wasteful number, since it uses less digits than its factorization.

23310102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23310102320 its reverse (2320101332), we get a palindrome (25630203652).

The spelling of 23310102320 in words is "twenty-three billion, three hundred ten million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 1997 2360 2473 3994 4720 4946 7988 9892 9985 12365 15976 19784 19970 24730 31952 39568 39940 49460 79880 98920 117823 145907 159760 197840 235646 291814 471292 583628 589115 729535 942584 1167256 1178230 1459070 1885168 2334512 2356460 2918140 4712920 4938581 5836280 9425840 9877162 11672560 19754324 24692905 39508648 49385810 79017296 98771620 197543240 291376279 395086480 582752558 1165505116 1456881395 2331010232 2913762790 4662020464 5827525580 11655051160 23310102320