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425171986960 = 24571744660923
BaseRepresentation
bin1100010111111100011…
…10011010101000010000
31111122102222002210120011
412023332032122220100
523431223012040320
6523153223124304
742501105155050
oct6137616325020
91448388083504
10425171986960
11154350558806
126a4992a3694
133112a6a1396
1416815319560
15b0d674005a
hex62fe39aa10

425171986960 has 80 divisors (see below), whose sum is σ = 1196198188416. Its totient is φ = 137198352384.

The previous prime is 425171986927. The next prime is 425171986999. The reversal of 425171986960 is 69689171524.

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

It is a junction number, because it is equal to n+sod(n) for n = 425171986895 and 425171986904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22320942 + ... + 22339981.

Almost surely, 2425171986960 is an apocalyptic number.

425171986960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425171986960 is an abundant number, since it is smaller than the sum of its proper divisors (771026201456).

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

425171986960 is a wasteful number, since it uses less digits than its factorization.

425171986960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660960 (or 44660954 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 425171986960 in words is "four hundred twenty-five billion, one hundred seventy-one million, nine hundred eighty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 170 238 272 280 340 476 560 595 680 952 1190 1360 1904 2380 4760 9520 44660923 89321846 178643692 223304615 312626461 357287384 446609230 625252922 714574768 759235691 893218460 1250505844 1518471382 1563132305 1786436920 2501011688 3036942764 3126264610 3572873840 3796178455 5002023376 5314649837 6073885528 6252529220 7592356910 10629299674 12147771056 12505058440 15184713820 21258599348 25010116880 26573249185 30369427640 42517198696 53146498370 60738855280 85034397392 106292996740 212585993480 425171986960