Search a number
-
+
425634757870 = 257210319942379
BaseRepresentation
bin1100011000110011100…
…11101111110011101110
31111200122012212222220111
412030121303233303232
523433144444222440
6523311154010234
742515424514300
oct6143163576356
91450565788814
10425634757870
111545687a7403
126a5a827697a
13311a251cc1a
141685a97d970
15b1121a24ea
hex6319cefcee

425634757870 has 96 divisors (see below), whose sum is σ = 904423104000. Its totient is φ = 143785502784.

The previous prime is 425634757813. The next prime is 425634757871. The reversal of 425634757870 is 78757436524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425634757871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10022341 + ... + 10064719.

It is an arithmetic number, because the mean of its divisors is an integer number (9421074000).

Almost surely, 2425634757870 is an apocalyptic number.

425634757870 is an abundant number, since it is smaller than the sum of its proper divisors (478788346130).

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

425634757870 is a wasteful number, since it uses less digits than its factorization.

425634757870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702 (or 42695 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 58.

The spelling of 425634757870 in words is "four hundred twenty-five billion, six hundred thirty-four million, seven hundred fifty-seven thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 103 199 206 245 398 490 515 721 995 1030 1393 1442 1990 2786 3605 5047 6965 7210 9751 10094 13930 19502 20497 25235 40994 42379 48755 50470 84758 97510 102485 143479 204970 211895 286958 296653 423790 593306 717395 1004353 1434790 1483265 2008706 2076571 2966530 4153142 4365037 5021765 8433421 8730074 10043530 10382855 16866842 20765710 21825185 30555259 42167105 43650370 59033947 61110518 84334210 118067894 152776295 213886813 295169735 305552590 413237629 427773626 590339470 826475258 868642363 1069434065 1737284726 2066188145 2138868130 4132376290 4343211815 6080496541 8686423630 12160993082 30402482705 42563475787 60804965410 85126951574 212817378935 425634757870