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13775803919 = 1743127148387
BaseRepresentation
bin11001101010001101…
…00001011000001111
31022120001121100100222
430311012201120033
5211203101211134
610154543141555
7665243254433
oct146506413017
938501540328
1013775803919
11592a09a419
1228055a48bb
1313b7032587
149497d69c3
155595e9a2e
hex3351a160f

13775803919 has 16 divisors (see below), whose sum is σ = 15042981888. Its totient is φ = 12564139392.

The previous prime is 13775803913. The next prime is 13775803949. The reversal of 13775803919 is 91930857731.

It is a cyclic number.

It is not a de Polignac number, because 13775803919 - 232 = 9480836623 is a prime.

It is a super-2 number, since 2×137758039192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775803913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18644 + ... + 167030.

It is an arithmetic number, because the mean of its divisors is an integer number (940186368).

Almost surely, 213775803919 is an apocalyptic number.

13775803919 is a deficient number, since it is larger than the sum of its proper divisors (1267177969).

13775803919 is a wasteful number, since it uses less digits than its factorization.

13775803919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148574.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 13775803919 in words is "thirteen billion, seven hundred seventy-five million, eight hundred three thousand, nine hundred nineteen".

Divisors: 1 17 43 127 731 2159 5461 92837 148387 2522579 6380641 18845149 108470897 320367533 810341407 13775803919