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486981022920 = 233574783353421
BaseRepresentation
bin1110001011000100101…
…01001011010011001000
31201112222112201011010020
413011202111023103020
530434314120213140
61011414353220440
750116562253060
oct7054225132310
91645875634106
10486981022920
11178589101307
127a468b61720
1336bcab63442
14197da1583a0
15ca02bd36d0
hex716254b4c8

486981022920 has 512 divisors, whose sum is σ = 1734717358080. Its totient is φ = 107069276160.

The previous prime is 486981022883. The next prime is 486981022951. The reversal of 486981022920 is 29220189684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1156724310 + ... + 1156724730.

It is an arithmetic number, because the mean of its divisors is an integer number (3388119840).

Almost surely, 2486981022920 is an apocalyptic number.

486981022920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486981022920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867358679040).

486981022920 is an abundant number, since it is smaller than the sum of its proper divisors (1247736335160).

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

486981022920 is a wasteful number, since it uses less digits than its factorization.

486981022920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 486981022920 in words is "four hundred eighty-six billion, nine hundred eighty-one million, twenty-two thousand, nine hundred twenty".