Search a number
-
+
257442150350 = 25271166868091
BaseRepresentation
bin1110111111000010111…
…1110111011111001110
3220121111120211021011102
43233300233313133032
513204220142302400
6314133422423102
724412441113050
oct3576057673716
9817446737142
10257442150350
119a1a9422a30
1241a88a31a92
131b379b73958
14c662d858d0
156a6b3709d5
hex3bf0bf77ce

257442150350 has 48 divisors (see below), whose sum is σ = 596998325376. Its totient is φ = 80241708000.

The previous prime is 257442150349. The next prime is 257442150373. The reversal of 257442150350 is 53051244752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33430196 + ... + 33437895.

It is an arithmetic number, because the mean of its divisors is an integer number (12437465112).

Almost surely, 2257442150350 is an apocalyptic number.

257442150350 is an abundant number, since it is smaller than the sum of its proper divisors (339556175026).

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

257442150350 is a wasteful number, since it uses less digits than its factorization.

257442150350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66868121 (or 66868116 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 257442150350 in words is "two hundred fifty-seven billion, four hundred forty-two million, one hundred fifty thousand, three hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 50 55 70 77 110 154 175 275 350 385 550 770 1925 3850 66868091 133736182 334340455 468076637 668680910 735549001 936153274 1471098002 1671702275 2340383185 3343404550 3677745005 4680766370 5148843007 7355490010 10297686014 11701915925 18388725025 23403831850 25744215035 36777450050 51488430070 128721075175 257442150350