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111230630551 = 1495387138577
BaseRepresentation
bin110011110010111011…
…1001011101010010111
3101122002212001111010101
41213211313023222113
53310300020134201
6123033150234531
711015253521425
oct1474567135227
9348085044111
10111230630551
1143199878057
1219682ab5a47
13a648457371
145552808115
152d60183d01
hex19e5dcba97

111230630551 has 8 divisors (see below), whose sum is σ = 111998739600. Its totient is φ = 110462809728.

The previous prime is 111230630549. The next prime is 111230630561. The reversal of 111230630551 is 155036032111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111230630551 - 21 = 111230630549 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 (111230630561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733375 + ... + 871951.

It is an arithmetic number, because the mean of its divisors is an integer number (13999842450).

Almost surely, 2111230630551 is an apocalyptic number.

111230630551 is a deficient number, since it is larger than the sum of its proper divisors (768109049).

111230630551 is a wasteful number, since it uses less digits than its factorization.

111230630551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144113.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 111230630551 its reverse (155036032111), we get a palindrome (266266662662).

The spelling of 111230630551 in words is "one hundred eleven billion, two hundred thirty million, six hundred thirty thousand, five hundred fifty-one".

Divisors: 1 149 5387 138577 802663 20647973 746514299 111230630551