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2728813272 = 233113700553
BaseRepresentation
bin1010001010100110…
…0110001011011000
321001011202002002020
42202221212023120
521042034011042
61130435534440
7124423346553
oct24251461330
97034662066
102728813272
111180386889
12641a5a420
13346464513
141bc5b369a
1510e8773ec
hexa2a662d8

2728813272 has 16 divisors (see below), whose sum is σ = 6822033240. Its totient is φ = 909604416.

The previous prime is 2728813271. The next prime is 2728813273. The reversal of 2728813272 is 2723188272.

It is an interprime number because it is at equal distance from previous prime (2728813271) and next prime (2728813273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728813271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56850253 + ... + 56850300.

Almost surely, 22728813272 is an apocalyptic number.

It is an amenable number.

2728813272 is an abundant number, since it is smaller than the sum of its proper divisors (4093219968).

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

2728813272 is a wasteful number, since it uses less digits than its factorization.

2728813272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113700562 (or 113700558 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 2728813272 is about 52238.0442972361. The cubic root of 2728813272 is about 1397.4124436128.

The spelling of 2728813272 in words is "two billion, seven hundred twenty-eight million, eight hundred thirteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 113700553 227401106 341101659 454802212 682203318 909604424 1364406636 2728813272