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23833668240 = 24325973311031
BaseRepresentation
bin10110001100100110…
…001110101010010000
32021112000020210102100
4112030212032222100
5342302404340430
614540554120400
71502422560144
oct261446165220
967460223370
1023833668240
11a120536788
124751a20100
13232a9cc895
1412214dd224
159475d7960
hex58c98ea90

23833668240 has 240 divisors, whose sum is σ = 81189553536. Its totient is φ = 6265036800.

The previous prime is 23833668227. The next prime is 23833668251. The reversal of 23833668240 is 4286633832.

23833668240 is a `hidden beast` number, since 238 + 336 + 6 + 82 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 23116525 + ... + 23117555.

Almost surely, 223833668240 is an apocalyptic number.

23833668240 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 23833668240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40594776768).

23833668240 is an abundant number, since it is smaller than the sum of its proper divisors (57355885296).

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

23833668240 is a wasteful number, since it uses less digits than its factorization.

23833668240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 23833668240 in words is "twenty-three billion, eight hundred thirty-three million, six hundred sixty-eight thousand, two hundred forty".