Search a number
-
+
158745835640 = 2357717985203
BaseRepresentation
bin1001001111010111111…
…1010011100001111000
3120011202021021222221002
42103311333103201320
510100102413220030
6200532110104132
714316604224230
oct2236577234170
9504667258832
10158745835640
1161361981997
12269237ab048
1311c7b48c732
14797d124cc0
1541e1803245
hex24f5fd3878

158745835640 has 64 divisors (see below), whose sum is σ = 413952975360. Its totient is φ = 53660557440.

The previous prime is 158745835613. The next prime is 158745835663. The reversal of 158745835640 is 46538547851.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972722 + ... + 4012481.

It is an arithmetic number, because the mean of its divisors is an integer number (6468015240).

Almost surely, 2158745835640 is an apocalyptic number.

158745835640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158745835640 is an abundant number, since it is smaller than the sum of its proper divisors (255207139720).

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

158745835640 is a wasteful number, since it uses less digits than its factorization.

158745835640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985292 (or 7985288 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 158745835640 in words is "one hundred fifty-eight billion, seven hundred forty-five million, eight hundred thirty-five thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 71 140 142 280 284 355 497 568 710 994 1420 1988 2485 2840 3976 4970 9940 19880 7985203 15970406 31940812 39926015 55896421 63881624 79852030 111792842 159704060 223585684 279482105 319408120 447171368 558964210 566949413 1117928420 1133898826 2235856840 2267797652 2834747065 3968645891 4535595304 5669494130 7937291782 11338988260 15874583564 19843229455 22677976520 31749167128 39686458910 79372917820 158745835640