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5145515020 = 2251943314903
BaseRepresentation
bin1001100101011001…
…00101010000001100
3111021121012020122101
410302230211100030
541014222440040
62210330124444
7241340104342
oct46254452014
914247166571
105145515020
112200566658
12bb7280724
1364004a259
1436b53d992
15201aec09a
hex132b2540c

5145515020 has 48 divisors (see below), whose sum is σ = 11638851840. Its totient is φ = 1904527296.

The previous prime is 5145514999. The next prime is 5145515029. The reversal of 5145515020 is 205155415.

It is a self number, because there is not a number n which added to its sum of digits gives 5145515020.

It is not an unprimeable number, because it can be changed into a prime (5145515029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141112 + ... + 173791.

It is an arithmetic number, because the mean of its divisors is an integer number (242476080).

Almost surely, 25145515020 is an apocalyptic number.

It is an amenable number.

5145515020 is an abundant number, since it is smaller than the sum of its proper divisors (6493336820).

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

5145515020 is a wasteful number, since it uses less digits than its factorization.

5145515020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314974 (or 314972 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 5145515020 is about 71732.2453294193. The cubic root of 5145515020 is about 1726.4060532179.

The spelling of 5145515020 in words is "five billion, one hundred forty-five million, five hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 43 76 86 95 172 190 215 380 430 817 860 1634 3268 4085 8170 16340 314903 629806 1259612 1574515 3149030 5983157 6298060 11966314 13540829 23932628 27081658 29915785 54163316 59831570 67704145 119663140 135408290 257275751 270816580 514551502 1029103004 1286378755 2572757510 5145515020