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111231430014 = 2388463209563
BaseRepresentation
bin110011110010111101…
…0001110110101111110
3101122002220120002210010
41213211322032311332
53310300221230024
6123033215324050
711015263361265
oct1474572166576
9348086502703
10111231430014
114319a273771
1219683220626
13a648677213
1455529755dc
152d60290b29
hex19e5e8ed7e

111231430014 has 16 divisors (see below), whose sum is σ = 222466436352. Its totient is φ = 37076547288.

The previous prime is 111231430001. The next prime is 111231430019. The reversal of 111231430014 is 410034132111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231430019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425997 + ... + 635559.

It is an arithmetic number, because the mean of its divisors is an integer number (13904152272).

Almost surely, 2111231430014 is an apocalyptic number.

111231430014 is an abundant number, since it is smaller than the sum of its proper divisors (111235006338).

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

111231430014 is a wasteful number, since it uses less digits than its factorization.

111231430014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298031.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111231430014 its reverse (410034132111), we get a palindrome (521265562125).

The spelling of 111231430014 in words is "one hundred eleven billion, two hundred thirty-one million, four hundred thirty thousand, fourteen".

Divisors: 1 2 3 6 88463 176926 209563 265389 419126 530778 628689 1257378 18538571669 37077143338 55615715007 111231430014