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134745893983 = 1928333175709
BaseRepresentation
bin111110101111101111…
…0110010110001011111
3110212210200011122021001
41331133132302301133
54201424422101413
6141522412051131
712510062125651
oct1753736626137
9425720148231
10134745893983
11521665a9568
1222146163aa7
13c9251b3b1c
1467439026d1
1537898244dd
hex1f5f7b2c5f

134745893983 has 16 divisors (see below), whose sum is σ = 142770889600. Its totient is φ = 126816956640.

The previous prime is 134745893959. The next prime is 134745893987. The reversal of 134745893983 is 389398547431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134745893983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134745893987) 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, 1741933 + ... + 1817641.

It is an arithmetic number, because the mean of its divisors is an integer number (8923180600).

Almost surely, 2134745893983 is an apocalyptic number.

134745893983 is a deficient number, since it is larger than the sum of its proper divisors (8024995617).

134745893983 is a wasteful number, since it uses less digits than its factorization.

134745893983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76342.

The product of its digits is 78382080, while the sum is 64.

It can be divided in two parts, 1347458 and 93983, that added together give a palindrome (1441441).

The spelling of 134745893983 in words is "one hundred thirty-four billion, seven hundred forty-five million, eight hundred ninety-three thousand, nine hundred eighty-three".

Divisors: 1 19 283 331 5377 6289 75709 93673 1438471 1779787 21425647 25059679 407087293 476133901 7091889157 134745893983