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13880067805629 = 325449283029869
BaseRepresentation
bin1100100111111011010010…
…0000101101000110111101
31211010220212210100020002200
43021332310200231012331
53304402334324240004
645304225355542113
72631542006462154
oct311766440550675
954126783306080
1013880067805629
11447155a472983
12168207275a939
13798b66b1a66c
1435db2813659b
151910bbd8d239
hexc9fb482d1bd

13880067805629 has 12 divisors (see below), whose sum is σ = 20052666289500. Its totient is φ = 9251680325184.

The previous prime is 13880067805609. The next prime is 13880067805631. The reversal of 13880067805629 is 92650876008831.

13880067805629 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 0 + 0 + 67 + 8 + 0 + 562 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1338568011225 + 12541499794404 = 1156965^2 + 3541398^2 .

It is not a de Polignac number, because 13880067805629 - 27 = 13880067805501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880067805609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141465894 + ... + 141563975.

It is an arithmetic number, because the mean of its divisors is an integer number (1671055524125).

Almost surely, 213880067805629 is an apocalyptic number.

It is an amenable number.

13880067805629 is a deficient number, since it is larger than the sum of its proper divisors (6172598483871).

13880067805629 is a wasteful number, since it uses less digits than its factorization.

13880067805629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283035324 (or 283035321 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 13880067805629 in words is "thirteen trillion, eight hundred eighty billion, sixty-seven million, eight hundred five thousand, six hundred twenty-nine".

Divisors: 1 3 9 5449 16347 49041 283029869 849089607 2547268821 1542229756181 4626689268543 13880067805629