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2551530878496 = 25352324159197
BaseRepresentation
bin100101001000010011000…
…101110111011000100000
3100000220221120111102100000
4211020103011313120200
5313301013401102441
65232053533500000
7352225212422655
oct45102305673040
910026846442300
102551530878496
118a4109731a76
12352606641600
131567ba665c12
148b6cd863c2c
1546587a9e2b6
hex25213177620

2551530878496 has 288 divisors, whose sum is σ = 7884525737088. Its totient is φ = 810142248960.

The previous prime is 2551530878489. The next prime is 2551530878521. The reversal of 2551530878496 is 6948780351552.

2551530878496 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 530 + 8 + 7 + 8 + 4 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43072770 + ... + 43131966.

It is an arithmetic number, because the mean of its divisors is an integer number (27376825476).

It is a 1-persistent number, because it is pandigital, but 2⋅2551530878496 = 5103061756992 is not.

Almost surely, 22551530878496 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 2551530878496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3942262868544).

2551530878496 is an abundant number, since it is smaller than the sum of its proper divisors (5332994858592).

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

2551530878496 is a wasteful number, since it uses less digits than its factorization.

2551530878496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59486 (or 59466 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 2551530878496 in words is "two trillion, five hundred fifty-one billion, five hundred thirty million, eight hundred seventy-eight thousand, four hundred ninety-six".