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105114142531 = 143373352507
BaseRepresentation
bin110000111100101001…
…0101000011101000011
3101001022120210200221001
41201321102220131003
53210233210030111
6120142212512431
710410553320016
oct1417122503503
9331276720831
10105114142531
1140640214082
121845661b717
139bb21c4098
14513235537d
152b031db1c1
hex18794a8743

105114142531 has 4 divisors (see below), whose sum is σ = 105187496472. Its totient is φ = 105040788592.

The previous prime is 105114142517. The next prime is 105114142537. The reversal of 105114142531 is 135241411501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135241411501 = 719320201643.

It is a cyclic number.

It is not a de Polignac number, because 105114142531 - 29 = 105114142019 is a prime.

It is a super-2 number, since 2×1051141425312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105114142531.

It is not an unprimeable number, because it can be changed into a prime (105114142537) 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, 36674821 + ... + 36677686.

It is an arithmetic number, because the mean of its divisors is an integer number (26296874118).

Almost surely, 2105114142531 is an apocalyptic number.

105114142531 is a deficient number, since it is larger than the sum of its proper divisors (73353941).

105114142531 is an equidigital number, since it uses as much as digits as its factorization.

105114142531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73353940.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 105114142531 in words is "one hundred five billion, one hundred fourteen million, one hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 1433 73352507 105114142531