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253390126590 = 23254168669411
BaseRepresentation
bin1110101111111100111…
…0100111110111111110
3220020001012020010112100
43223333032213313332
513122420333022330
6312223353445530
724210146352516
oct3537716476776
9806035203470
10253390126590
119850a136567
1241137a108a6
131ab82538963
14c39ab6c846
1568d0771060
hex3aff3a7dfe

253390126590 has 48 divisors (see below), whose sum is σ = 674882981136. Its totient is φ = 65922633600.

The previous prime is 253390126573. The next prime is 253390126657. The reversal of 253390126590 is 95621093352.

253390126590 is a `hidden beast` number, since 2 + 5 + 3 + 39 + 0 + 1 + 26 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34331016 + ... + 34338395.

It is an arithmetic number, because the mean of its divisors is an integer number (14060062107).

Almost surely, 2253390126590 is an apocalyptic number.

253390126590 is an abundant number, since it is smaller than the sum of its proper divisors (421492854546).

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

253390126590 is a wasteful number, since it uses less digits than its factorization.

253390126590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68669465 (or 68669462 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 253390126590 in words is "two hundred fifty-three billion, three hundred ninety million, one hundred twenty-six thousand, five hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 369 410 615 738 1230 1845 3690 68669411 137338822 206008233 343347055 412016466 618024699 686694110 1030041165 1236049398 2060082330 2815445851 3090123495 5630891702 6180246990 8446337553 14077229255 16892675106 25339012659 28154458510 42231687765 50678025318 84463375530 126695063295 253390126590