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5515343808 = 263131272137
BaseRepresentation
bin1010010001011110…
…10111011111000000
3112020101002111100220
411020233113133000
542243412000213
62311140543040
7253450435362
oct51057273700
915211074326
105515343808
1123802a4487
12109b0b1a80
1369b856960
143a46ccd32
15224300e23
hex148bd77c0

5515343808 has 168 divisors, whose sum is σ = 15955530192. Its totient is φ = 1671376896.

The previous prime is 5515343803. The next prime is 5515343809. The reversal of 5515343808 is 8083435155.

It is a self number, because there is not a number n which added to its sum of digits gives 5515343808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515343803) 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 23 ways as a sum of consecutive naturals, for example, 40257916 + ... + 40258052.

It is an arithmetic number, because the mean of its divisors is an integer number (94973394).

Almost surely, 25515343808 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 5515343808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7977765096).

5515343808 is an abundant number, since it is smaller than the sum of its proper divisors (10440186384).

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

5515343808 is a wasteful number, since it uses less digits than its factorization.

5515343808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 5515343808 is about 74265.3607545267. The cubic root of 5515343808 is about 1766.8141280180.

The spelling of 5515343808 in words is "five billion, five hundred fifteen million, three hundred forty-three thousand, eight hundred eight".