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2864136080 = 245132753977
BaseRepresentation
bin1010101010110111…
…0011111110010000
321101121101012002002
42222231303332100
521331204323310
61152112213132
7130655516651
oct25255637620
97347335062
102864136080
11123a803913
1267b23a1a8
133684c49a0
141d255b528
1511b6a7da5
hexaab73f90

2864136080 has 40 divisors (see below), whose sum is σ = 7171358712. Its totient is φ = 1057526784.

The previous prime is 2864136053. The next prime is 2864136103. The reversal of 2864136080 is 806314682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52591504 + 2811544576 = 7252^2 + 53024^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375949 + ... + 1378028.

Almost surely, 22864136080 is an apocalyptic number.

2864136080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2864136080 is an abundant number, since it is smaller than the sum of its proper divisors (4307222632).

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

2864136080 is a wasteful number, since it uses less digits than its factorization.

2864136080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754003 (or 2753997 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2864136080 is about 53517.6240130296. The cubic root of 2864136080 is about 1420.1401832114.

The spelling of 2864136080 in words is "two billion, eight hundred sixty-four million, one hundred thirty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2753977 5507954 11015908 13769885 22031816 27539770 35801701 44063632 55079540 71603402 110159080 143206804 179008505 220318160 286413608 358017010 572827216 716034020 1432068040 2864136080