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48213780512 = 2517113784321
BaseRepresentation
bin101100111001110000…
…111110100000100000
311121110002201211010112
4230321300332200200
51242220211434022
634052112350452
73324532241522
oct547160764040
9147402654115
1048213780512
11194a14709a7
129416845428
134714996211
142495403a12
1513c2b5e8e2
hexb39c3e820

48213780512 has 48 divisors (see below), whose sum is σ = 101394010872. Its totient is φ = 22488023040.

The previous prime is 48213780497. The next prime is 48213780541. The reversal of 48213780512 is 21508731284.

It can be written as a sum of positive squares in 4 ways, for example, as 22033246096 + 26180534416 = 148436^2 + 161804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48213780512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330689 + ... + 453632.

Almost surely, 248213780512 is an apocalyptic number.

It is an amenable number.

48213780512 is an abundant number, since it is smaller than the sum of its proper divisors (53180230360).

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

48213780512 is a wasteful number, since it uses less digits than its factorization.

48213780512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784461 (or 784453 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 48213780512 in words is "forty-eight billion, two hundred thirteen million, seven hundred eighty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 68 113 136 226 272 452 544 904 1808 1921 3616 3842 7684 15368 30736 61472 784321 1568642 3137284 6274568 12549136 13333457 25098272 26666914 53333828 88628273 106667656 177256546 213335312 354513092 426670624 709026184 1418052368 1506680641 2836104736 3013361282 6026722564 12053445128 24106890256 48213780512