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3129492480 = 21035732791
BaseRepresentation
bin1011101010001000…
…0100010000000000
322002002200200121220
42322202010100000
522402122224410
61234311515040
7140360150532
oct27242042000
98062620556
103129492480
111366576024
12734088a80
133ab482cca
142198b3852
15134b22070
hexba884400

3129492480 has 176 divisors, whose sum is σ = 10150237824. Its totient is φ = 822804480.

The previous prime is 3129492467. The next prime is 3129492511. The reversal of 3129492480 is 842949213.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119885 + ... + 1122675.

Almost surely, 23129492480 is an apocalyptic number.

3129492480 is a gapful number since it is divisible by the number (30) 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 3129492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5075118912).

3129492480 is an abundant number, since it is smaller than the sum of its proper divisors (7020745344).

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

3129492480 is a wasteful number, since it uses less digits than its factorization.

3129492480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3129492480 is about 55941.8669692029. The cubic root of 3129492480 is about 1462.7091251835.

The spelling of 3129492480 in words is "three billion, one hundred twenty-nine million, four hundred ninety-two thousand, four hundred eighty".