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2725016680 = 23568125417
BaseRepresentation
bin1010001001101100…
…0111010001101000
321000220121012010201
42202123013101220
521040101013210
61130222321544
7124346155021
oct24233072150
97026535121
102725016680
111179223401
126407292b4
13345735409
141bbca5c48
1510e37753a
hexa26c7468

2725016680 has 16 divisors (see below), whose sum is σ = 6131287620. Its totient is φ = 1090006656.

The previous prime is 2725016621. The next prime is 2725016699. The reversal of 2725016680 is 866105272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2321890596 + 403126084 = 48186^2 + 20078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34062669 + ... + 34062748.

Almost surely, 22725016680 is an apocalyptic number.

2725016680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725016680 is an abundant number, since it is smaller than the sum of its proper divisors (3406270940).

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

2725016680 is a wasteful number, since it uses less digits than its factorization.

2725016680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68125428 (or 68125424 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2725016680 is about 52201.6923097326. The cubic root of 2725016680 is about 1396.7640705235.

The spelling of 2725016680 in words is "two billion, seven hundred twenty-five million, sixteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 68125417 136250834 272501668 340627085 545003336 681254170 1362508340 2725016680