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13867685820458 = 2437122926873691
BaseRepresentation
bin1100100111001101001001…
…1111001011100000101010
31211002201220212110012121022
43021303102133023200222
53304202010032223313
645254421003012442
72630623116364061
oct311632237134052
954081825405538
1013867685820458
114467286130188
12167b797b0a122
137979427b1212
1435d2b18c31d8
15190ae4d16c08
hexc9cd27cb82a

13867685820458 has 64 divisors (see below), whose sum is σ = 21693279928320. Its totient is φ = 6643769428800.

The previous prime is 13867685820437. The next prime is 13867685820487. The reversal of 13867685820458 is 85402858676831.

13867685820458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138676858204582 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a junction number, because it is equal to n+sod(n) for n = 13867685820391 and 13867685820400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3757160393 + ... + 3757164083.

It is an arithmetic number, because the mean of its divisors is an integer number (338957498880).

Almost surely, 213867685820458 is an apocalyptic number.

13867685820458 is a deficient number, since it is larger than the sum of its proper divisors (7825594107862).

13867685820458 is a wasteful number, since it uses less digits than its factorization.

13867685820458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723.

The product of its (nonzero) digits is 619315200, while the sum is 71.

The spelling of 13867685820458 in words is "thirteen trillion, eight hundred sixty-seven billion, six hundred eighty-five million, eight hundred twenty thousand, four hundred fifty-eight".

Divisors: 1 2 43 71 86 142 229 458 2687 3053 3691 5374 6106 7382 9847 16259 19694 32518 115541 158713 190777 231082 262061 317426 381554 524122 615323 699137 845239 1230646 1398274 1690478 8203411 9917717 11268623 16406822 19835434 22537246 26458889 36345277 43687933 52917778 60011969 72690554 87375866 120023938 426461831 704157907 852923662 1408315814 1878581119 2271157193 2580514667 3757162238 4542314386 5161029334 30278790001 60557580002 97659759299 161252160703 195319518598 322504321406 6933842910229 13867685820458