Search a number
-
+
56001105040 = 2454316279391
BaseRepresentation
bin110100001001111011…
…010000110010010000
312100112210221220010111
4310021323100302100
51404142240330130
641420534011104
74021521352546
oct641173206220
9170483856114
1056001105040
11218281890a1
12aa2a7a6a94
13538613475a
1429d3749d96
1516cb64a02a
hexd09ed0c90

56001105040 has 40 divisors (see below), whose sum is σ = 133230544128. Its totient is φ = 21879500160.

The previous prime is 56001105037. The next prime is 56001105049. The reversal of 56001105040 is 4050110065.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×560011050402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56001105049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8136256 + ... + 8143135.

Almost surely, 256001105040 is an apocalyptic number.

It is an amenable number.

56001105040 is an abundant number, since it is smaller than the sum of its proper divisors (77229439088).

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

56001105040 is a wasteful number, since it uses less digits than its factorization.

56001105040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279447 (or 16279441 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 56001105040 in words is "fifty-six billion, one million, one hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 16279391 32558782 65117564 81396955 130235128 162793910 260470256 325587820 651175640 700013813 1302351280 1400027626 2800055252 3500069065 5600110504 7000138130 11200221008 14000276260 28000552520 56001105040