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2757155988 = 223229762999
BaseRepresentation
bin1010010001010110…
…1101110010010100
321010011002000222110
42210111231302110
521121312442423
61133331231020
7125216303436
oct24425556224
97104060873
102757155988
111195385114
1264b448470
1334c2a9062
141c2270656
151120c5193
hexa456dc94

2757155988 has 12 divisors (see below), whose sum is σ = 6433364000. Its totient is φ = 919051992.

The previous prime is 2757155969. The next prime is 2757156007. The reversal of 2757155988 is 8895517572.

It is an interprime number because it is at equal distance from previous prime (2757155969) and next prime (2757156007).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×27571559882 = 15203818284328512288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114881488 + ... + 114881511.

Almost surely, 22757155988 is an apocalyptic number.

It is an amenable number.

2757155988 is an abundant number, since it is smaller than the sum of its proper divisors (3676208012).

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

2757155988 is a wasteful number, since it uses less digits than its factorization.

2757155988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229763006 (or 229763004 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 57.

The square root of 2757155988 is about 52508.6277482092. The cubic root of 2757155988 is about 1402.2338466930.

The spelling of 2757155988 in words is "two billion, seven hundred fifty-seven million, one hundred fifty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 229762999 459525998 689288997 919051996 1378577994 2757155988