Search a number
-
+
112742501685 = 351110311175939
BaseRepresentation
bin110100011111111111…
…0100000110100110101
3101210000012220111102120
41220333332200310311
53321344040023220
6123443155030153
711100602311122
oct1507776406465
9353005814376
10112742501685
11438a5226230
1219a2529b359
13a829744a78
14565751b749
152decc75a40
hex1a3ffa0d35

112742501685 has 64 divisors (see below), whose sum is σ = 198908835840. Its totient is φ = 54074753280.

The previous prime is 112742501579. The next prime is 112742501687. The reversal of 112742501685 is 586105247211.

It is a happy number.

It is not a de Polignac number, because 112742501685 - 224 = 112725724469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112742501687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18980446 + ... + 18986384.

It is an arithmetic number, because the mean of its divisors is an integer number (3107950560).

Almost surely, 2112742501685 is an apocalyptic number.

112742501685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112742501685 is a deficient number, since it is larger than the sum of its proper divisors (86166334155).

112742501685 is a wasteful number, since it uses less digits than its factorization.

112742501685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178.

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 112742501685 its reverse (586105247211), we get a palindrome (698847748896).

The spelling of 112742501685 in words is "one hundred twelve billion, seven hundred forty-two million, five hundred one thousand, six hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 103 165 309 515 1117 1133 1545 3351 3399 5585 5665 5939 12287 16755 16995 17817 29695 36861 61435 65329 89085 115051 184305 195987 326645 345153 575255 611717 979935 1265561 1725765 1835151 3058585 3796683 6327805 6633863 6728887 9175755 18983415 19901589 20186661 33169315 33644435 72972493 99507945 100933305 218917479 364862465 683287889 1094587395 2049863667 3416439445 7516166779 10249318335 22548500337 37580833895 112742501685