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13772666740 = 2257132174471
BaseRepresentation
bin11001101001110101…
…00011011101110100
31022112211200221222011
430310322203131310
5211201300313430
610154352014004
7665204510230
oct146472433564
938484627864
1013772666740
115928347408
122804531304
1313b64a4661
1494921b5c0
155591ca22a
hex334ea3774

13772666740 has 48 divisors (see below), whose sum is σ = 33079866624. Its totient is φ = 4718419200.

The previous prime is 13772666729. The next prime is 13772666753. The reversal of 13772666740 is 4766627731.

It is a super-2 number, since 2×137726667402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147705 + ... + 222175.

It is an arithmetic number, because the mean of its divisors is an integer number (689163888).

Almost surely, 213772666740 is an apocalyptic number.

13772666740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13772666740 is an abundant number, since it is smaller than the sum of its proper divisors (19307199884).

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

13772666740 is a wasteful number, since it uses less digits than its factorization.

13772666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75808 (or 75806 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 13772666740 in words is "thirteen billion, seven hundred seventy-two million, six hundred sixty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1321 2642 5284 6605 9247 13210 18494 26420 36988 46235 74471 92470 148942 184940 297884 372355 521297 744710 1042594 1489420 2085188 2606485 5212970 10425940 98376191 196752382 393504764 491880955 688633337 983761910 1377266674 1967523820 2754533348 3443166685 6886333370 13772666740