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112154140240 = 2451401926753
BaseRepresentation
bin110100001110011101…
…0000101111001010000
3101201111012210122020221
41220130322011321100
53314142424441430
6123304540242424
711050166314462
oct1503472057120
9351435718227
10112154140240
11436230a75aa
12198a0240414
13a7648927bc
1455dd324132
152db62a657a
hex1a1ce85e50

112154140240 has 20 divisors (see below), whose sum is σ = 260758376244. Its totient is φ = 44861656064.

The previous prime is 112154140213. The next prime is 112154140249. The reversal of 112154140240 is 42041451211.

It can be written as a sum of positive squares in 2 ways, for example, as 47682836496 + 64471303744 = 218364^2 + 253912^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×1121541402404 (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112154140249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700963297 + ... + 700963456.

Almost surely, 2112154140240 is an apocalyptic number.

112154140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112154140240 is an abundant number, since it is smaller than the sum of its proper divisors (148604236004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112154140240 is a wasteful number, since it uses less digits than its factorization.

112154140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401926766 (or 1401926760 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 112154140240 its reverse (42041451211), we get a palindrome (154195591451).

The spelling of 112154140240 in words is "one hundred twelve billion, one hundred fifty-four million, one hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1401926753 2803853506 5607707012 7009633765 11215414024 14019267530 22430828048 28038535060 56077070120 112154140240