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5203861905 = 351131538557
BaseRepresentation
bin1001101100010110…
…01010000110010001
3111102122222120112010
410312023022012101
541124142040110
62220212453133
7242646045024
oct46613120621
914378876463
105203861905
112230498520
12101291a1a9
1364c168938
143751ab1bb
15206cc5020
hex1362ca191

5203861905 has 16 divisors (see below), whose sum is σ = 9083104704. Its totient is φ = 2523084480.

The previous prime is 5203861853. The next prime is 5203861907. The reversal of 5203861905 is 5091683025.

It is not a de Polignac number, because 5203861905 - 27 = 5203861777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5203861907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15769114 + ... + 15769443.

It is an arithmetic number, because the mean of its divisors is an integer number (567694044).

Almost surely, 25203861905 is an apocalyptic number.

5203861905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5203861905 is a deficient number, since it is larger than the sum of its proper divisors (3879242799).

5203861905 is a wasteful number, since it uses less digits than its factorization.

5203861905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31538576.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 5203861905 is about 72137.7980326541. The cubic root of 5203861905 is about 1732.9069934138.

The spelling of 5203861905 in words is "five billion, two hundred three million, eight hundred sixty-one thousand, nine hundred five".

Divisors: 1 3 5 11 15 33 55 165 31538557 94615671 157692785 346924127 473078355 1040772381 1734620635 5203861905