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2754951993 = 3543263657
BaseRepresentation
bin1010010000110101…
…0011101100111001
321002222221001200000
42210031103230321
521120231430433
61133212103213
7125161464003
oct24415235471
97088831600
102754951993
11119410a232
1264a764b09
1334b9b6b11
141c1c59373
15111cdc113
hexa4353b39

2754951993 has 24 divisors (see below), whose sum is σ = 4222746528. Its totient is φ = 1793915424.

The previous prime is 2754951973. The next prime is 2754952027. The reversal of 2754951993 is 3991594572.

2754951993 is a `hidden beast` number, since 2 + 7 + 549 + 5 + 1 + 9 + 93 = 666.

2754951993 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2754951993 - 26 = 2754951929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2754951923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121380 + ... + 142277.

It is an arithmetic number, because the mean of its divisors is an integer number (175947772).

Almost surely, 22754951993 is an apocalyptic number.

It is an amenable number.

2754951993 is a deficient number, since it is larger than the sum of its proper divisors (1467794535).

2754951993 is an equidigital number, since it uses as much as digits as its factorization.

2754951993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263715 (or 263703 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 2754951993 is about 52487.6365728159. The cubic root of 2754951993 is about 1401.8601113103.

The spelling of 2754951993 in words is "two billion, seven hundred fifty-four million, nine hundred fifty-one thousand, nine hundred ninety-three".

Divisors: 1 3 9 27 43 81 129 243 387 1161 3483 10449 263657 790971 2372913 7118739 11337251 21356217 34011753 64068651 102035259 306105777 918317331 2754951993