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112105131545 = 5112437836387
BaseRepresentation
bin110100001100111111…
…1001000111000011001
3101201100210120201222002
41220121333020320121
53314042403202140
6123300030010345
711046032616131
oct1503177107031
9351323521862
10112105131545
11435a8473650
12198879469b5
13a757693684
1455d6a07ac1
152db1d25415
hex1a19fc8e19

112105131545 has 16 divisors (see below), whose sum is σ = 146816203968. Its totient is φ = 81497451840.

The previous prime is 112105131521. The next prime is 112105131547. The reversal of 112105131545 is 545131501211.

It is a happy number.

It is not a de Polignac number, because 112105131545 - 228 = 111836696089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112105131547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284159 + ... + 552228.

It is an arithmetic number, because the mean of its divisors is an integer number (9176012748).

Almost surely, 2112105131545 is an apocalyptic number.

It is an amenable number.

112105131545 is a deficient number, since it is larger than the sum of its proper divisors (34711072423).

112105131545 is a wasteful number, since it uses less digits than its factorization.

112105131545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838840.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 112105131545 its reverse (545131501211), we get a palindrome (657236632756).

The spelling of 112105131545 in words is "one hundred twelve billion, one hundred five million, one hundred thirty-one thousand, five hundred forty-five".

Divisors: 1 5 11 55 2437 12185 26807 134035 836387 4181935 9200257 46001285 2038275119 10191375595 22421026309 112105131545