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13883765493 = 3133161792383
BaseRepresentation
bin11001110111000100…
…10111001011110101
31022211120202100210210
430323202113023311
5211413220443433
610213401140033
71001024026263
oct147342271365
938746670723
1013883765493
115985029564
12283578a619
131403502b70
14959c9b433
15563d23463
hex33b8972f5

13883765493 has 64 divisors (see below), whose sum is σ = 21189754880. Its totient is φ = 8026387200.

The previous prime is 13883765473. The next prime is 13883765501. The reversal of 13883765493 is 39456738831.

It is not a de Polignac number, because 13883765493 - 213 = 13883757301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883765473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5824980 + ... + 5827362.

It is an arithmetic number, because the mean of its divisors is an integer number (331089920).

Almost surely, 213883765493 is an apocalyptic number.

13883765493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13883765493 is a deficient number, since it is larger than the sum of its proper divisors (7305989387).

13883765493 is a wasteful number, since it uses less digits than its factorization.

13883765493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570.

The product of its digits is 13063680, while the sum is 57.

It can be divided in two parts, 13883 and 765493, that added together give a triangular number (779376 = T1248).

The spelling of 13883765493 in words is "thirteen billion, eight hundred eighty-three million, seven hundred sixty-five thousand, four hundred ninety-three".

Divisors: 1 3 13 31 39 61 79 93 183 237 403 793 1027 1209 1891 2379 2383 2449 3081 4819 5673 7149 7347 14457 24583 30979 31837 62647 73749 73873 92937 95511 145363 149389 187941 188257 221619 436089 448167 564771 960349 1889719 1942057 2447341 2881047 4506253 5669157 5826171 5835967 7342023 11483677 13518759 17507901 34451031 58581289 75867571 149287801 175743867 227602713 355993987 447863403 1067981961 4627921831 13883765493