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489103929720 = 23345731695659
BaseRepresentation
bin1110001111000001101…
…11011011000101111000
31201202110111022222210000
413013200313123011320
531003141101222340
61012405150353000
750223310543530
oct7074067330570
91652414288700
10489103929720
1117947846563a
127a95babb760
1337178911803
141995c0884c0
15cac9272d30
hex71e0ddb178

489103929720 has 320 divisors, whose sum is σ = 1939388774400. Its totient is φ = 108188732160.

The previous prime is 489103929707. The next prime is 489103929757. The reversal of 489103929720 is 27929301984.

489103929720 is a `hidden beast` number, since 489 + 1 + 0 + 3 + 92 + 9 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 355251 + ... + 1050909.

It is an arithmetic number, because the mean of its divisors is an integer number (6060589920).

Almost surely, 2489103929720 is an apocalyptic number.

489103929720 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 489103929720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969694387200).

489103929720 is an abundant number, since it is smaller than the sum of its proper divisors (1450284844680).

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

489103929720 is a wasteful number, since it uses less digits than its factorization.

489103929720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695720 (or 695707 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 489103929720 in words is "four hundred eighty-nine billion, one hundred three million, nine hundred twenty-nine thousand, seven hundred twenty".