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272666903520 = 253511245921001
BaseRepresentation
bin1111110111110000110…
…1101100001111100000
3222001210121212212020110
43331330031230033200
513431410211403040
6325132250011320
725461640303404
oct3757415541740
9861717785213
10272666903520
11a57013a4370
1244a17716b40
131c935132a3b
14d2a8d93104
15715cc7d980
hex3f7c36c3e0

272666903520 has 192 divisors, whose sum is σ = 937408308480. Its totient is φ = 66071040000.

The previous prime is 272666903491. The next prime is 272666903569. The reversal of 272666903520 is 25309666272.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 272666903520.

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, 12973020 + ... + 12994020.

It is an arithmetic number, because the mean of its divisors is an integer number (4882334940).

Almost surely, 2272666903520 is an apocalyptic number.

272666903520 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 272666903520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468704154240).

272666903520 is an abundant number, since it is smaller than the sum of its proper divisors (664741404960).

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

272666903520 is a wasteful number, since it uses less digits than its factorization.

272666903520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23489 (or 23481 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 272666903520 in words is "two hundred seventy-two billion, six hundred sixty-six million, nine hundred three thousand, five hundred twenty".