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632290607648 = 25724324672
BaseRepresentation
bin10010011001101110111…
…01010000001000100000
32020110001102022212211122
421030313131100020200
540324412343421043
61202245330031412
763452515326200
oct11146735201040
92213042285748
10632290607648
11224175622aa7
12a2660a18568
134781775963b
14228629d4400
15116a9b10368
hex9337750220

632290607648 has 162 divisors, whose sum is σ = 1485698687991. Its totient is φ = 264113023104.

The previous prime is 632290607497. The next prime is 632290607657. The reversal of 632290607648 is 846706092236.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 316145303824 + 316145303824 = 562268^2 + 562268^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=562268.

It is a self number, because there is not a number n which added to its sum of digits gives 632290607648.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1353941111 + ... + 1353941577.

Almost surely, 2632290607648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632290607648

632290607648 is an abundant number, since it is smaller than the sum of its proper divisors (853408080343).

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

632290607648 is an frugal number, since it uses more digits than its factorization.

632290607648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 632290607648 in words is "six hundred thirty-two billion, two hundred ninety million, six hundred seven thousand, six hundred forty-eight".