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48898268640 = 2532513233372
BaseRepresentation
bin101101100010100100…
…000101110111100000
311200012210201102022200
4231202210011313200
51300120424044030
634244043333200
73350513265654
oct554244056740
9150183642280
1048898268640
1119812885a71
129587b21200
1347c3733c90
14251c2a0a64
151412cbad60
hexb62905de0

48898268640 has 432 divisors, whose sum is σ = 188072303328. Its totient is φ = 11479007232.

The previous prime is 48898268623. The next prime is 48898268641. The reversal of 48898268640 is 4686289884.

48898268640 is a `hidden beast` number, since 488 + 98 + 2 + 6 + 8 + 64 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48898268641) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 145098552 + ... + 145098888.

It is an arithmetic number, because the mean of its divisors is an integer number (435352554).

Almost surely, 248898268640 is an apocalyptic number.

48898268640 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 48898268640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94036151664).

48898268640 is an abundant number, since it is smaller than the sum of its proper divisors (139174034688).

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

48898268640 is a wasteful number, since it uses less digits than its factorization.

48898268640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 48898268640 in words is "forty-eight billion, eight hundred ninety-eight million, two hundred sixty-eight thousand, six hundred forty".