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13542230541 = 3713937912241
BaseRepresentation
bin11001001110010111…
…00000101000001101
31021221210002120221010
430213023200220031
5210213302334131
610115440555433
7656406026460
oct144713405015
937853076833
1013542230541
11581a266274
12275b322b79
13137a821988
149267952d7
15543d5cb46
hex3272e0a0d

13542230541 has 32 divisors (see below), whose sum is σ = 20840780800. Its totient is φ = 7661848320.

The previous prime is 13542230531. The next prime is 13542230579. The reversal of 13542230541 is 14503224531.

It is not a de Polignac number, because 13542230541 - 214 = 13542214157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542230499 and 13542230508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542230531) 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, 1100181 + ... + 1112421.

It is an arithmetic number, because the mean of its divisors is an integer number (651274400).

Almost surely, 213542230541 is an apocalyptic number.

It is an amenable number.

13542230541 is a deficient number, since it is larger than the sum of its proper divisors (7298550259).

13542230541 is a wasteful number, since it uses less digits than its factorization.

13542230541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 13542230541 in words is "thirteen billion, five hundred forty-two million, two hundred thirty thousand, five hundred forty-one".

Divisors: 1 3 7 21 139 379 417 973 1137 2653 2919 7959 12241 36723 52681 85687 158043 257061 368767 1106301 1701499 4639339 5104497 11910493 13918017 32475373 35731479 97426119 644868121 1934604363 4514076847 13542230541