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14538616957 = 23816106097
BaseRepresentation
bin11011000101001000…
…11011000001111101
31101112012222021010201
431202210123001331
5214233341220312
610402353003501
71023165130234
oct154244330175
941465867121
1014538616957
116190741117
122998b53591
1314a9095137
149bcc41b1b
155a1578557
hex36291b07d

14538616957 has 4 divisors (see below), whose sum is σ = 14544725436. Its totient is φ = 14532508480.

The previous prime is 14538616921. The next prime is 14538616969. The reversal of 14538616957 is 75961683541.

14538616957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7385855481 + 7152761476 = 85941^2 + 84574^2 .

It is a cyclic number.

It is not a de Polignac number, because 14538616957 - 215 = 14538584189 is a prime.

It is a super-2 number, since 2×145386169572 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14538616898 and 14538616907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14538616997) 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, 3050668 + ... + 3055429.

It is an arithmetic number, because the mean of its divisors is an integer number (3636181359).

Almost surely, 214538616957 is an apocalyptic number.

It is an amenable number.

14538616957 is a deficient number, since it is larger than the sum of its proper divisors (6108479).

14538616957 is an equidigital number, since it uses as much as digits as its factorization.

14538616957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108478.

The product of its digits is 5443200, while the sum is 55.

The spelling of 14538616957 in words is "fourteen billion, five hundred thirty-eight million, six hundred sixteen thousand, nine hundred fifty-seven".

Divisors: 1 2381 6106097 14538616957