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2751681340 = 2251494612003
BaseRepresentation
bin1010010000000011…
…0101001100111100
321002202202220011201
42210000311030330
521113412300330
61133014025244
7125121622402
oct24400651474
97082686151
102751681340
111192285a11
12649648224
1334b110215
141c1647472
15111892eca
hexa403533c

2751681340 has 48 divisors (see below), whose sum is σ = 5832842400. Its totient is φ = 1090369280.

The previous prime is 2751681323. The next prime is 2751681371. The reversal of 2751681340 is 431861572.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2751681340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372779 + ... + 1374781.

It is an arithmetic number, because the mean of its divisors is an integer number (121517550).

Almost surely, 22751681340 is an apocalyptic number.

2751681340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2751681340 is an abundant number, since it is smaller than the sum of its proper divisors (3081161060).

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

2751681340 is a wasteful number, since it uses less digits than its factorization.

2751681340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2751681340 is about 52456.4709068386. The cubic root of 2751681340 is about 1401.3051332672.

The spelling of 2751681340 in words is "two billion, seven hundred fifty-one million, six hundred eighty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 149 298 461 596 745 922 1490 1844 2003 2305 2980 4006 4610 8012 9220 10015 20030 40060 68689 137378 274756 298447 343445 596894 686890 923383 1193788 1373780 1492235 1846766 2984470 3693532 4616915 5968940 9233830 18467660 137584067 275168134 550336268 687920335 1375840670 2751681340