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3081513012 = 2232231151537
BaseRepresentation
bin1011011110101100…
…0010100000110100
321221202102002011120
42313223002200310
522302331404022
61225435303540
7136235266644
oct26753024064
97852362146
103081513012
111341485376
1271bbaabb0
133a15544a6
14213384524
151307e5d5c
hexb7ac2834

3081513012 has 24 divisors (see below), whose sum is σ = 7222446336. Its totient is φ = 1022563968.

The previous prime is 3081512989. The next prime is 3081513037. The reversal of 3081513012 is 2103151803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573093 + ... + 578444.

It is an arithmetic number, because the mean of its divisors is an integer number (300935264).

Almost surely, 23081513012 is an apocalyptic number.

It is an amenable number.

3081513012 is an abundant number, since it is smaller than the sum of its proper divisors (4140933324).

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

3081513012 is a wasteful number, since it uses less digits than its factorization.

3081513012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151767 (or 1151765 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3081513012 is about 55511.3773203296. The cubic root of 3081513012 is about 1455.1954740269.

Adding to 3081513012 its reverse (2103151803), we get a palindrome (5184664815).

The spelling of 3081513012 in words is "three billion, eighty-one million, five hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 223 446 669 892 1338 2676 1151537 2303074 3454611 4606148 6909222 13818444 256792751 513585502 770378253 1027171004 1540756506 3081513012