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3149857480 = 2357112239389
BaseRepresentation
bin1011101110111111…
…0000001011001000
322010112000100011011
42323233300023020
522422330414410
61240320213304
7141025226650
oct27357601310
98115010134
103149857480
111377015600
1273aa6a234
133b27635c3
1421c495360
151367e618a
hexbbbf02c8

3149857480 has 192 divisors, whose sum is σ = 8963136000. Its totient is φ = 975152640.

The previous prime is 3149857441. The next prime is 3149857481. The reversal of 3149857480 is 847589413.

It is not an unprimeable number, because it can be changed into a prime (3149857481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8097126 + ... + 8097514.

It is an arithmetic number, because the mean of its divisors is an integer number (46683000).

Almost surely, 23149857480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149857480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568000).

3149857480 is an abundant number, since it is smaller than the sum of its proper divisors (5813278520).

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

3149857480 is a wasteful number, since it uses less digits than its factorization.

3149857480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 3149857480 is about 56123.5911181742. The cubic root of 3149857480 is about 1465.8751006432.

The spelling of 3149857480 in words is "three billion, one hundred forty-nine million, eight hundred fifty-seven thousand, four hundred eighty".