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252315255320 = 23519331993757
BaseRepresentation
bin1110101011111100101…
…0010100001000011000
3220010021021200000100022
43222333022110020120
513113220201132240
6311524555330012
724141415166162
oct3527712241030
9803237600308
10252315255320
11980084248a7
1240a97a50908
131aa4094595b
14c2d80d1932
15686b2009b5
hex3abf294218

252315255320 has 32 divisors (see below), whose sum is σ = 597588764400. Its totient is φ = 95614201728.

The previous prime is 252315255317. The next prime is 252315255343. The reversal of 252315255320 is 23552513252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165996119 + ... + 165997638.

Almost surely, 2252315255320 is an apocalyptic number.

252315255320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252315255320 is an abundant number, since it is smaller than the sum of its proper divisors (345273509080).

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

252315255320 is a wasteful number, since it uses less digits than its factorization.

252315255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331993787 (or 331993783 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 252315255320 its reverse (23552513252), we get a palindrome (275867768572).

The spelling of 252315255320 in words is "two hundred fifty-two billion, three hundred fifteen million, two hundred fifty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 331993757 663987514 1327975028 1659968785 2655950056 3319937570 6307881383 6639875140 12615762766 13279750280 25231525532 31539406915 50463051064 63078813830 126157627660 252315255320