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2855655132 = 2231121633751
BaseRepresentation
bin1010101000110101…
…1101011011011100
321101000102022101220
42222031131123130
521322021431012
61151210333340
7130523445111
oct25215353334
97330368356
102855655132
111235a40a70
1267842a250
13366815685
141d1390908
1511aa8008c
hexaa35d6dc

2855655132 has 24 divisors (see below), whose sum is σ = 7268940672. Its totient is φ = 865350000.

The previous prime is 2855655119. The next prime is 2855655133. The reversal of 2855655132 is 2315565582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855655133) 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, 10816744 + ... + 10817007.

It is an arithmetic number, because the mean of its divisors is an integer number (302872528).

Almost surely, 22855655132 is an apocalyptic number.

2855655132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2855655132 is an abundant number, since it is smaller than the sum of its proper divisors (4413285540).

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

2855655132 is a wasteful number, since it uses less digits than its factorization.

2855655132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633769 (or 21633767 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 2855655132 is about 53438.3301760076. The cubic root of 2855655132 is about 1418.7370791917.

The spelling of 2855655132 in words is "two billion, eight hundred fifty-five million, six hundred fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 21633751 43267502 64901253 86535004 129802506 237971261 259605012 475942522 713913783 951885044 1427827566 2855655132