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23131350210 = 2355316378887
BaseRepresentation
bin10101100010101111…
…000110010011000010
32012201001201100012110
4111202233012103002
5334333111201320
614343145040150
71446134142543
oct254257062302
965631640173
1023131350210
1198a0053861
124596786056
13224835b397
1411961204ca
15905b085e0
hex562bc64c2

23131350210 has 64 divisors (see below), whose sum is σ = 56603619072. Its totient is φ = 6047598336.

The previous prime is 23131350161. The next prime is 23131350241. The reversal of 23131350210 is 1205313132.

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, 2598387 + ... + 2607273.

It is an arithmetic number, because the mean of its divisors is an integer number (884431548).

Almost surely, 223131350210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131350210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28301809536).

23131350210 is an abundant number, since it is smaller than the sum of its proper divisors (33472268862).

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

23131350210 is a wasteful number, since it uses less digits than its factorization.

23131350210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 23131350210 its reverse (1205313132), we get a palindrome (24336663342).

The spelling of 23131350210 in words is "twenty-three billion, one hundred thirty-one million, three hundred fifty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 1637 3274 4911 8185 8887 9822 16370 17774 24555 26661 44435 49110 53322 86761 88870 133305 173522 260283 266610 433805 471011 520566 867610 942022 1301415 1413033 2355055 2602830 2826066 4710110 7065165 14130330 14548019 29096038 43644057 72740095 87288114 145480190 218220285 436440570 771045007 1542090014 2313135021 3855225035 4626270042 7710450070 11565675105 23131350210