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23331000308 = 22711294163709
BaseRepresentation
bin10101101110101000…
…101100111111110100
32020012222101121122112
4111232220230333310
5340240214002213
614415040150152
71454110142030
oct255650547764
966188347575
1023331000308
119992817940
124631608358
13227a822335
1411b48511c0
159183e3ea8
hex56ea2cff4

23331000308 has 96 divisors (see below), whose sum is σ = 53944531200. Its totient is φ = 8562355200.

The previous prime is 23331000263. The next prime is 23331000323. The reversal of 23331000308 is 80300013332.

It is a congruent number.

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, 334358 + ... + 398066.

It is an arithmetic number, because the mean of its divisors is an integer number (561922200).

Almost surely, 223331000308 is an apocalyptic number.

23331000308 is a gapful number since it is divisible by the number (28) 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 23331000308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26972265600).

23331000308 is an abundant number, since it is smaller than the sum of its proper divisors (30613530892).

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

23331000308 is a wasteful number, since it uses less digits than its factorization.

23331000308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63801 (or 63799 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 23331000308 in words is "twenty-three billion, three hundred thirty-one million, three hundred eight", and thus it is an aban number.

Divisors: 1 2 4 7 11 14 22 28 29 41 44 58 77 82 116 154 164 203 287 308 319 406 451 574 638 812 902 1148 1189 1276 1804 2233 2378 3157 4466 4756 6314 8323 8932 12628 13079 16646 26158 33292 52316 63709 91553 127418 183106 254836 366212 445963 700799 891926 1401598 1783852 1847561 2612069 2803196 3695122 4905593 5224138 7390244 9811186 10448276 12932927 18284483 19622372 20323171 25865854 28732759 36568966 40646342 51731708 57465518 73137932 75750001 81292684 114931036 142262197 151500002 201129313 284524394 303000004 402258626 530250007 569048788 804517252 833250011 1060500014 1666500022 2121000028 3333000044 5832750077 11665500154 23331000308