Search a number
-
+
56072323120 = 2451163718549
BaseRepresentation
bin110100001110001010…
…111100000000110000
312100201202222010222011
4310032022330000300
51404314003314440
641432000252304
74023344611462
oct641612740060
9170652863864
1056072323120
1121864401310
12aa4a611094
135397b0b828
1429dcda8132
1516d2a169ea
hexd0e2bc030

56072323120 has 40 divisors (see below), whose sum is σ = 142219803600. Its totient is φ = 20389935360.

The previous prime is 56072323103. The next prime is 56072323129. The reversal of 56072323120 is 2132327065.

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

It is not an unprimeable number, because it can be changed into a prime (56072323129) 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, 31858395 + ... + 31860154.

It is an arithmetic number, because the mean of its divisors is an integer number (3555495090).

Almost surely, 256072323120 is an apocalyptic number.

It is an amenable number.

56072323120 is an abundant number, since it is smaller than the sum of its proper divisors (86147480480).

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

56072323120 is a wasteful number, since it uses less digits than its factorization.

56072323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63718573 (or 63718567 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 56072323120 in words is "fifty-six billion, seventy-two million, three hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 63718549 127437098 254874196 318592745 509748392 637185490 700904039 1019496784 1274370980 1401808078 2548741960 2803616156 3504520195 5097483920 5607232312 7009040390 11214464624 14018080780 28036161560 56072323120