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23352515680 = 25513431911367
BaseRepresentation
bin10101101111111010…
…110001110001100000
32020021110212201012011
4111233322301301200
5340311221000210
614421125242304
71454461052044
oct255772616140
966243781164
1023352515680
1199a398273a
124638863394
132282116420
1411b7652024
1591a243d8a
hex56feb1c60

23352515680 has 192 divisors, whose sum is σ = 61158924288. Its totient is φ = 8371722240.

The previous prime is 23352515653. The next prime is 23352515689. The reversal of 23352515680 is 8651525332.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23352515689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17082357 + ... + 17083723.

It is an arithmetic number, because the mean of its divisors is an integer number (318536064).

Almost surely, 223352515680 is an apocalyptic number.

23352515680 is a gapful number since it is divisible by the number (20) 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 23352515680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30579462144).

23352515680 is an abundant number, since it is smaller than the sum of its proper divisors (37806408608).

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

23352515680 is a wasteful number, since it uses less digits than its factorization.

23352515680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 23352515680 in words is "twenty-three billion, three hundred fifty-two million, five hundred fifteen thousand, six hundred eighty".