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13748277284731 = 114779641525137
BaseRepresentation
bin1100100000010000010100…
…1011110000111101111011
31210200022201002020002120001
43020010011023300331323
53300222432441102411
645123512115413431
72616165061520233
oct310040513607573
953608632202501
1013748277284731
114420680123a10
1216606122b4277
137895c2cc4512
143575c4d40cc3
1518c956c44dc1
hexc81052f0f7b

13748277284731 has 32 divisors (see below), whose sum is σ = 15535346503680. Its totient is φ = 12058802995200.

The previous prime is 13748277284717. The next prime is 13748277284741.

13748277284731 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13748277284731 - 221 = 13748275187579 is a prime.

It is a super-2 number, since 2×137482772847312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13748277284701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25917795 + ... + 26442931.

It is an arithmetic number, because the mean of its divisors is an integer number (485479578240).

Almost surely, 213748277284731 is an apocalyptic number.

13748277284731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13748277284731 is a deficient number, since it is larger than the sum of its proper divisors (1787069218949).

13748277284731 is a wasteful number, since it uses less digits than its factorization.

13748277284731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525915.

The product of its digits is 88510464, while the sum is 64.

The spelling of 13748277284731 in words is "thirteen trillion, seven hundred forty-eight billion, two hundred seventy-seven million, two hundred eighty-four thousand, seven hundred thirty-one".

Divisors: 1 11 47 79 517 641 869 3713 7051 30127 40843 50639 331397 525137 557029 2380033 5776507 24681439 26180363 41485823 271495829 336612817 456344053 1949833681 3702740987 15820802399 21448170491 26592412543 174028826389 292516537973 1249843389521 13748277284731