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5155143840 = 25325711192447
BaseRepresentation
bin1001100110100010…
…10100000010100000
3111022021022102220100
410303101110002200
541024204100330
62211312342400
7241514666610
oct46321240240
914267272810
105155143840
112205a42960
12bba544a00
1364203bb92
1436c928a40
152028a0060
hex1334540a0

5155143840 has 576 divisors, whose sum is σ = 23096586240. Its totient is φ = 1014405120.

The previous prime is 5155143839. The next prime is 5155143901. The reversal of 5155143840 is 483415515.

It is a super-2 number, since 2×51551438402 = 53151016022179891200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5155143795 and 5155143804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2105497 + ... + 2107943.

It is an arithmetic number, because the mean of its divisors is an integer number (40098240).

Almost surely, 25155143840 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 5155143840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11548293120).

5155143840 is an abundant number, since it is smaller than the sum of its proper divisors (17941442400).

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

5155143840 is a wasteful number, since it uses less digits than its factorization.

5155143840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 5155143840 is about 71799.3303589943. The cubic root of 5155143840 is about 1727.4822587279.

The spelling of 5155143840 in words is "five billion, one hundred fifty-five million, one hundred forty-three thousand, eight hundred forty".