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23272144500 = 2235311731392
BaseRepresentation
bin10101101011001000…
…001011111001110100
32020001212122102122210
4111223020023321310
5340130132111000
614405134453420
71452463651533
oct255310137164
966055572583
1023272144500
119962578680
124615964270
13226b586107
1411aaad031a
1591316a350
hex56b20be74

23272144500 has 288 divisors, whose sum is σ = 75485015424. Its totient is φ = 5524416000.

The previous prime is 23272144451. The next prime is 23272144529. The reversal of 23272144500 is 544127232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167425431 + ... + 167425569.

It is an arithmetic number, because the mean of its divisors is an integer number (262100748).

Almost surely, 223272144500 is an apocalyptic number.

23272144500 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 23272144500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37742507712).

23272144500 is an abundant number, since it is smaller than the sum of its proper divisors (52212870924).

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

23272144500 is a wasteful number, since it uses less digits than its factorization.

23272144500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 23272144500 in words is "twenty-three billion, two hundred seventy-two million, one hundred forty-four thousand, five hundred".