Search a number
-
+
102113450143 = 1013100803011
BaseRepresentation
bin101111100011001101…
…1111001100010011111
3100202120110110201210221
41133012123321202133
53133112020401033
6114524341342211
710243316001505
oct1370633714237
9322513421727
10102113450143
113a340420511
1217959707967
139824629663
144d29a0c675
1529c9a5c12d
hex17c66f989f

102113450143 has 4 divisors (see below), whose sum is σ = 102214254168. Its totient is φ = 102012646120.

The previous prime is 102113450123. The next prime is 102113450177. The reversal of 102113450143 is 341054311201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341054311201 = 1979317231057.

It is a cyclic number.

It is not a de Polignac number, because 102113450143 - 25 = 102113450111 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 (102113450123) 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 3 ways as a sum of consecutive naturals, for example, 50400493 + ... + 50402518.

It is an arithmetic number, because the mean of its divisors is an integer number (25553563542).

Almost surely, 2102113450143 is an apocalyptic number.

102113450143 is a deficient number, since it is larger than the sum of its proper divisors (100804025).

102113450143 is a wasteful number, since it uses less digits than its factorization.

102113450143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100804024.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 102113450143 its reverse (341054311201), we get a palindrome (443167761344).

The spelling of 102113450143 in words is "one hundred two billion, one hundred thirteen million, four hundred fifty thousand, one hundred forty-three".

Divisors: 1 1013 100803011 102113450143