Search a number
-
+
616887884928 = 27372291130527
BaseRepresentation
bin10001111101000010110…
…00100001110010000000
32011222021222101111102210
420332201120201302000
540101341244304203
61151221104142120
762366025335100
oct10764130416200
92158258344383
10616887884928
11218691146497
129b682607940
1346231657923
1421c010db200
15110a779a803
hex8fa1621c80

616887884928 has 192 divisors, whose sum is σ = 1971866937600. Its totient is φ = 170175817728.

The previous prime is 616887884911. The next prime is 616887884939. The reversal of 616887884928 is 829488788616.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 616887884928.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19600 + ... + 1110927.

It is an arithmetic number, because the mean of its divisors is an integer number (10270140300).

Almost surely, 2616887884928 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 616887884928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985933468800).

616887884928 is an abundant number, since it is smaller than the sum of its proper divisors (1354979052672).

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

616887884928 is a wasteful number, since it uses less digits than its factorization.

616887884928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130587 (or 1130568 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 75.

The spelling of 616887884928 in words is "six hundred sixteen billion, eight hundred eighty-seven million, eight hundred eighty-four thousand, nine hundred twenty-eight".