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2055115340 = 225432389669
BaseRepresentation
bin111101001111110…
…1001001001001100
312022020001200020222
41322133221021030
513202102142330
6535532130512
7101633122625
oct17237511114
95266050228
102055115340
11965071633
12494306a38
13269a03ba5
14156d24a4c
15c064d0e5
hex7a7e924c

2055115340 has 24 divisors (see below), whose sum is σ = 4416110160. Its totient is φ = 802928448.

The previous prime is 2055115303. The next prime is 2055115369. The reversal of 2055115340 is 435115502.

It is a super-3 number, since 3×20551153403 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193975 + ... + 1195694.

It is an arithmetic number, because the mean of its divisors is an integer number (184004590).

Almost surely, 22055115340 is an apocalyptic number.

2055115340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055115340 is an abundant number, since it is smaller than the sum of its proper divisors (2360994820).

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

2055115340 is a wasteful number, since it uses less digits than its factorization.

2055115340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389721 (or 2389719 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2055115340 is about 45333.3799754662. The cubic root of 2055115340 is about 1271.3898315247.

The spelling of 2055115340 in words is "two billion, fifty-five million, one hundred fifteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2389669 4779338 9558676 11948345 23896690 47793380 102755767 205511534 411023068 513778835 1027557670 2055115340