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13850747673438 = 2313410519432559
BaseRepresentation
bin1100100110001110000011…
…1001010001101101011110
31211001010012102100012000210
43021203200321101231132
53303412312401022223
645242540131433250
72626453303455204
oct311434071215536
954033172305023
1013850747673438
114460083a78675
12167844b455826
13796173566310
1435c546105074
15190452cab893
hexc98e0e51b5e

13850747673438 has 32 divisors (see below), whose sum is σ = 29832521241600. Its totient is φ = 4261748281056.

The previous prime is 13850747673421. The next prime is 13850747673487. The reversal of 13850747673438 is 83437674705831.

13850747673438 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 2×138507476734382 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31804203 + ... + 32236761.

It is an arithmetic number, because the mean of its divisors is an integer number (932266288800).

Almost surely, 213850747673438 is an apocalyptic number.

13850747673438 is an abundant number, since it is smaller than the sum of its proper divisors (15981773568162).

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

13850747673438 is a wasteful number, since it uses less digits than its factorization.

13850747673438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843096.

The product of its (nonzero) digits is 284497920, while the sum is 66.

The spelling of 13850747673438 in words is "thirteen trillion, eight hundred fifty billion, seven hundred forty-seven million, six hundred seventy-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 410519 432559 821038 865118 1231557 1297677 2463114 2595354 5336747 5623267 10673494 11246534 16010241 16869801 32020482 33739602 177573688121 355147376242 532721064363 1065442128726 2308457945573 4616915891146 6925373836719 13850747673438