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23225432453440 = 2657191886928921
BaseRepresentation
bin1010100011111100101111…
…01001101011000101000000
310001020022220022122222000021
411101332113221223011000
511021011141202002230
6121221341045303224
74614660603353410
oct521762751530500
9101208808588007
1023225432453440
11744493a152678
1227312b2404b14
13cc61c2131509
145a418cbd0640
152a4230695c7a
hex151f97a6b140

23225432453440 has 224 divisors, whose sum is σ = 66538832428800. Its totient is φ = 7543239229440.

The previous prime is 23225432453413. The next prime is 23225432453473. The reversal of 23225432453440 is 4435423452232.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803050180 + ... + 803079100.

Almost surely, 223225432453440 is an apocalyptic number.

23225432453440 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 23225432453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33269416214400).

23225432453440 is an abundant number, since it is smaller than the sum of its proper divisors (43313399975360).

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

23225432453440 is a wasteful number, since it uses less digits than its factorization.

23225432453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47833 (or 47823 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 43.

The spelling of 23225432453440 in words is "twenty-three trillion, two hundred twenty-five billion, four hundred thirty-two million, four hundred fifty-three thousand, four hundred forty".