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2550143064 = 2337219611871
BaseRepresentation
bin1001100000000000…
…0001100001011000
320120201112200122010
42120000001201120
520210314034224
61101014225520
7120123600300
oct23000014130
96521480563
102550143064
111099542257
125b20552a0
133184379c1
141a2984600
15edd32e29
hex98001858

2550143064 has 192 divisors, whose sum is σ = 7938777600. Its totient is φ = 678585600.

The previous prime is 2550143053. The next prime is 2550143081. The reversal of 2550143064 is 4603410552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1362049 + ... + 1363919.

It is an arithmetic number, because the mean of its divisors is an integer number (41347800).

Almost surely, 22550143064 is an apocalyptic number.

2550143064 is a gapful number since it is divisible by the number (24) 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 2550143064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3969388800).

2550143064 is an abundant number, since it is smaller than the sum of its proper divisors (5388634536).

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

2550143064 is a wasteful number, since it uses less digits than its factorization.

2550143064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2550143064 is about 50498.9412166235. The cubic root of 2550143064 is about 1366.2227570645. Note that the first 3 decimals are identical.

The spelling of 2550143064 in words is "two billion, five hundred fifty million, one hundred forty-three thousand, sixty-four".