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2748999957 = 31183303029
BaseRepresentation
bin1010001111011010…
…0110100100010101
321002120201200000020
42203312212210111
521112220444312
61132440335353
7125060054064
oct24366464425
97076650006
102748999957
1111908143a0
12648774559
1334a6b18c2
141c114a1db
1511151378c
hexa3da6915

2748999957 has 8 divisors (see below), whose sum is σ = 3998545440. Its totient is φ = 1666060560.

The previous prime is 2748999949. The next prime is 2748999983. The reversal of 2748999957 is 7599998472.

2748999957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2748999957 - 23 = 2748999949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2748999891 and 2748999900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748999907) 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, 41651482 + ... + 41651547.

It is an arithmetic number, because the mean of its divisors is an integer number (499818180).

Almost surely, 22748999957 is an apocalyptic number.

It is an amenable number.

2748999957 is a deficient number, since it is larger than the sum of its proper divisors (1249545483).

2748999957 is a wasteful number, since it uses less digits than its factorization.

2748999957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83303043.

The product of its digits is 102876480, while the sum is 69.

The square root of 2748999957 is about 52430.9065056098. The cubic root of 2748999957 is about 1400.8498168697.

It can be divided in two parts, 27 and 48999957, that added together give a palindrome (48999984).

The spelling of 2748999957 in words is "two billion, seven hundred forty-eight million, nine hundred ninety-nine thousand, nine hundred fifty-seven".

Divisors: 1 3 11 33 83303029 249909087 916333319 2748999957