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2481988768 = 25721582901
BaseRepresentation
bin1001001111110000…
…0010010010100000
320101222022002111221
42103330002102200
520040342120033
61050141344424
7115335361600
oct22374022240
96358262457
102481988768
111064021996
12593268114
1330729430c
141978c2c00
15e7d6e12d
hex93f024a0

2481988768 has 36 divisors (see below), whose sum is σ = 5684201082. Its totient is φ = 1063708800.

The previous prime is 2481988759. The next prime is 2481988771. The reversal of 2481988768 is 8678891842.

It can be written as a sum of positive squares in only one way, i.e., 2481235344 + 753424 = 49812^2 + 868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789883 + ... + 793018.

Almost surely, 22481988768 is an apocalyptic number.

2481988768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2481988768 is an abundant number, since it is smaller than the sum of its proper divisors (3202212314).

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

2481988768 is a wasteful number, since it uses less digits than its factorization.

2481988768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582925 (or 1582910 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 61.

The square root of 2481988768 is about 49819.5621016484. The cubic root of 2481988768 is about 1353.9416158396.

The spelling of 2481988768 in words is "two billion, four hundred eighty-one million, nine hundred eighty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 1582901 3165802 6331604 11080307 12663208 22160614 25326416 44321228 50652832 77562149 88642456 155124298 177284912 310248596 354569824 620497192 1240994384 2481988768