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28452560703 = 3710912430127
BaseRepresentation
bin11010011111111001…
…111001111100111111
32201102220111211201120
4122133321321330333
5431232323420303
621023153042023
72025036530010
oct323771717477
981386454646
1028452560703
1111080801a86
125620856313
1328b5903148
14153cb17007
15b17d5d553
hex69fe79f3f

28452560703 has 16 divisors (see below), whose sum is σ = 43754050560. Its totient is φ = 16109443296.

The previous prime is 28452560683. The next prime is 28452560713. The reversal of 28452560703 is 30706525482.

It is not a de Polignac number, because 28452560703 - 25 = 28452560671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28452560713) 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, 6212775 + ... + 6217352.

It is an arithmetic number, because the mean of its divisors is an integer number (2734628160).

Almost surely, 228452560703 is an apocalyptic number.

28452560703 is a deficient number, since it is larger than the sum of its proper divisors (15301489857).

28452560703 is a wasteful number, since it uses less digits than its factorization.

28452560703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430246.

The product of its (nonzero) digits is 403200, while the sum is 42.

It can be divided in two parts, 28452 and 560703, that added together give a triangular number (589155 = T1085).

The spelling of 28452560703 in words is "twenty-eight billion, four hundred fifty-two million, five hundred sixty thousand, seven hundred three".

Divisors: 1 3 7 21 109 327 763 2289 12430127 37290381 87010889 261032667 1354883843 4064651529 9484186901 28452560703