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2747805045 = 35732509411
BaseRepresentation
bin1010001111001000…
…0010110101110101
321002111110221220020
42203302002311311
521111414230140
61132354555353
7125043646266
oct24362026565
97074427806
102747805045
111190078667
12648298b59
1334a383a5b
141c0d1896d
151113796d0
hexa3c82d75

2747805045 has 16 divisors (see below), whose sum is σ = 4456715712. Its totient is φ = 1445420160.

The previous prime is 2747805031. The next prime is 2747805107. The reversal of 2747805045 is 5405087472.

2747805045 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 2747805045 - 210 = 2747804021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2747804988 and 2747805006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253611 + ... + 1255800.

It is an arithmetic number, because the mean of its divisors is an integer number (278544732).

Almost surely, 22747805045 is an apocalyptic number.

It is an amenable number.

2747805045 is a deficient number, since it is larger than the sum of its proper divisors (1708910667).

2747805045 is a wasteful number, since it uses less digits than its factorization.

2747805045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509492.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 2747805045 is about 52419.5101560478. The cubic root of 2747805045 is about 1400.6468176127.

The spelling of 2747805045 in words is "two billion, seven hundred forty-seven million, eight hundred five thousand, forty-five".

Divisors: 1 3 5 15 73 219 365 1095 2509411 7528233 12547055 37641165 183187003 549561009 915935015 2747805045