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5169393840 = 24351319293197
BaseRepresentation
bin1001101000001111…
…01011000010110000
3111100021010102020010
410310013223002300
541041331100330
62212542014520
7242050060032
oct46407530260
914307112203
105169393840
112212a96116
121003277440
13644c8b030
14370797c52
15203c673b0
hex1341eb0b0

5169393840 has 640 divisors, whose sum is σ = 19598745600. Its totient is φ = 1114767360.

The previous prime is 5169393833. The next prime is 5169393863. The reversal of 5169393840 is 483939615.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5169393840.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53292672 + ... + 53292768.

It is an arithmetic number, because the mean of its divisors is an integer number (30623040).

Almost surely, 25169393840 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 5169393840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9799372800).

5169393840 is an abundant number, since it is smaller than the sum of its proper divisors (14429351760).

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

5169393840 is a wasteful number, since it uses less digits than its factorization.

5169393840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 5169393840 is about 71898.4967853988. The cubic root of 5169393840 is about 1729.0725134148.

The spelling of 5169393840 in words is "five billion, one hundred sixty-nine million, three hundred ninety-three thousand, eight hundred forty".