Search a number
-
+
13503923189877 = 345737951259537
BaseRepresentation
bin1100010010000010000010…
…0010110111100001110101
31202210221222121212221021210
43010200200202313201311
53232222013314034002
644415341111232033
72562424543135311
oct304404042674165
952727877787253
1013503923189877
114336a8865987a
121621198678619
1376c550843403
143498442c6b41
1518640491b96c
hexc48208b7875

13503923189877 has 16 divisors (see below), whose sum is σ = 18045174674432. Its totient is φ = 8982644774400.

The previous prime is 13503923189833. The next prime is 13503923189879. The reversal of 13503923189877 is 77898132930531.

It is a happy number.

It is not a de Polignac number, because 13503923189877 - 28 = 13503923189621 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 (13503923189879) 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, 51901053 + ... + 52160589.

It is an arithmetic number, because the mean of its divisors is an integer number (1127823417152).

Almost surely, 213503923189877 is an apocalyptic number.

It is an amenable number.

13503923189877 is a deficient number, since it is larger than the sum of its proper divisors (4541251484555).

13503923189877 is a wasteful number, since it uses less digits than its factorization.

13503923189877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297948.

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 13503923189877 in words is "thirteen trillion, five hundred three billion, nine hundred twenty-three million, one hundred eighty-nine thousand, eight hundred seventy-seven".

Divisors: 1 3 457 1371 37951 113853 259537 778611 17343607 52030821 118608409 355825227 9849688687 29549066061 4501307729959 13503923189877