Search a number
-
+
53790392136 = 233132431791723
BaseRepresentation
bin110010000110001010…
…000011111101001000
312010211202010001010210
4302012022003331020
51340130320022021
640413322441120
73612655534455
oct620612037510
9163752101123
1053790392136
11208a3301838
12a5123631a0
1350c3121c00
142863cc082c
1515ec513e76
hexc86283f48

53790392136 has 192 divisors, whose sum is σ = 149921798400. Its totient is φ = 16066342656.

The previous prime is 53790392083. The next prime is 53790392141. The reversal of 53790392136 is 63129309735.

It is a super-2 number, since 2×537903921362 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31218171 + ... + 31219893.

It is an arithmetic number, because the mean of its divisors is an integer number (780842700).

Almost surely, 253790392136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53790392136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74960899200).

53790392136 is an abundant number, since it is smaller than the sum of its proper divisors (96131406264).

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

53790392136 is a wasteful number, since it uses less digits than its factorization.

53790392136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The spelling of 53790392136 in words is "fifty-three billion, seven hundred ninety million, three hundred ninety-two thousand, one hundred thirty-six".