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28715020053 = 317235555237
BaseRepresentation
bin11010101111100011…
…000110111100010101
32202010012101011021020
4122233203012330111
5432302021120203
621105210311353
72034404433426
oct325743067425
982105334236
1028715020053
11111a5975635
125694728559
1329280b8935
14156591764d
15b30e04153
hex6af8c6f15

28715020053 has 8 divisors (see below), whose sum is σ = 38308921248. Its totient is φ = 19132232784.

The previous prime is 28715020049. The next prime is 28715020067. The reversal of 28715020053 is 35002051782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28715020053 - 22 = 28715020049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28715019996 and 28715020023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28715020003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772450 + ... + 2782787.

It is an arithmetic number, because the mean of its divisors is an integer number (4788615156).

Almost surely, 228715020053 is an apocalyptic number.

It is an amenable number.

28715020053 is a deficient number, since it is larger than the sum of its proper divisors (9593901195).

28715020053 is a wasteful number, since it uses less digits than its factorization.

28715020053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556963.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 28715020053 in words is "twenty-eight billion, seven hundred fifteen million, twenty thousand, fifty-three".

Divisors: 1 3 1723 5169 5555237 16665711 9571673351 28715020053