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4997780648 = 237149598967
BaseRepresentation
bin1001010011110010…
…00001010010101000
3110220022012120011222
410221321001102220
540213412440043
62143531441212
7234564302030
oct45171012250
913808176158
104997780648
112135131633
12b758b6208
13618562673
14355a848c0
151e3b68d68
hex129e414a8

4997780648 has 32 divisors (see below), whose sum is σ = 10781424000. Its totient is φ = 2127527232.

The previous prime is 4997780563. The next prime is 4997780657. The reversal of 4997780648 is 8460877994.

It is a super-2 number, since 2×49977806482 = 49955622811046599808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291140 + ... + 307827.

It is an arithmetic number, because the mean of its divisors is an integer number (336919500).

Almost surely, 24997780648 is an apocalyptic number.

It is an amenable number.

4997780648 is an abundant number, since it is smaller than the sum of its proper divisors (5783643352).

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

4997780648 is a wasteful number, since it uses less digits than its factorization.

4997780648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599129 (or 599125 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The square root of 4997780648 is about 70694.9831883423. The cubic root of 4997780648 is about 1709.7229066649.

The spelling of 4997780648 in words is "four billion, nine hundred ninety-seven million, seven hundred eighty thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 149 298 596 1043 1192 2086 4172 8344 598967 1197934 2395868 4192769 4791736 8385538 16771076 33542152 89246083 178492166 356984332 624722581 713968664 1249445162 2498890324 4997780648