Search a number
-
+
52742140680 = 23352771586707
BaseRepresentation
bin110001000111101011…
…010011001100001000
312001010200122100110210
4301013223103030020
51331003442000210
640121315041120
73544666540665
oct610753231410
9161120570423
1052742140680
1120405621a19
12a27b2a01a0
134c86bbc488
1427a49b2a6c
15158a4a0e20
hexc47ad3308

52742140680 has 64 divisors (see below), whose sum is σ = 158797736640. Its totient is φ = 14013787392.

The previous prime is 52742140663. The next prime is 52742140933. The reversal of 52742140680 is 8604124725.

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, 760114 + ... + 826593.

It is an arithmetic number, because the mean of its divisors is an integer number (2481214635).

Almost surely, 252742140680 is an apocalyptic number.

It is an amenable number.

52742140680 is an abundant number, since it is smaller than the sum of its proper divisors (106055595960).

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

52742140680 is a wasteful number, since it uses less digits than its factorization.

52742140680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586998 (or 1586994 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 52742140680 in words is "fifty-two billion, seven hundred forty-two million, one hundred forty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 277 554 831 1108 1385 1662 2216 2770 3324 4155 5540 6648 8310 11080 16620 33240 1586707 3173414 4760121 6346828 7933535 9520242 12693656 15867070 19040484 23800605 31734140 38080968 47601210 63468280 95202420 190404840 439517839 879035678 1318553517 1758071356 2197589195 2637107034 3516142712 4395178390 5274214068 6592767585 8790356780 10548428136 13185535170 17580713560 26371070340 52742140680