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3151319040 = 21233541139
BaseRepresentation
bin1011101111010101…
…0101000000000000
322010121202121001000
42323311111000000
522423214202130
61240411412000
7141043525032
oct27365250000
98117677030
103151319040
111377923701
1273b454000
133b2b5592c
1421c755c52
151369d4260
hexbbd55000

3151319040 has 416 divisors, whose sum is σ = 11559139200. Its totient is φ = 813957120.

The previous prime is 3151319029. The next prime is 3151319057. The reversal of 3151319040 is 409131513.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3151318995 and 3151319013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22671291 + ... + 22671429.

Almost surely, 23151319040 is an apocalyptic number.

3151319040 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 3151319040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5779569600).

3151319040 is an abundant number, since it is smaller than the sum of its proper divisors (8407820160).

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

3151319040 is a wasteful number, since it uses less digits than its factorization.

3151319040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 3151319040 is about 56136.6105139952. The cubic root of 3151319040 is about 1466.1017916535.

The spelling of 3151319040 in words is "three billion, one hundred fifty-one million, three hundred nineteen thousand, forty".