Search a number
-
+
102123153233 = 611674150053
BaseRepresentation
bin101111100011100000…
…0111010011101010001
3100202121010201200221122
41133013000322131101
53133122011400413
6114525325332025
710243464323423
oct1370700723521
9322533650848
10102123153233
113a3459485a2
1217960a07015
13982664602a
144d2b016813
1529ca827108
hex17c703a751

102123153233 has 4 divisors (see below), whose sum is σ = 103797303348. Its totient is φ = 100449003120.

The previous prime is 102123153221. The next prime is 102123153239. The reversal of 102123153233 is 332351321201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332351321201 = 3079107941319.

It can be written as a sum of positive squares in 2 ways, for example, as 38995585729 + 63127567504 = 197473^2 + 251252^2 .

It is a cyclic number.

It is not a de Polignac number, because 102123153233 - 214 = 102123136849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123153239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837074966 + ... + 837075087.

It is an arithmetic number, because the mean of its divisors is an integer number (25949325837).

Almost surely, 2102123153233 is an apocalyptic number.

It is an amenable number.

102123153233 is a deficient number, since it is larger than the sum of its proper divisors (1674150115).

102123153233 is an equidigital number, since it uses as much as digits as its factorization.

102123153233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674150114.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 102123153233 its reverse (332351321201), we get a palindrome (434474474434).

The spelling of 102123153233 in words is "one hundred two billion, one hundred twenty-three million, one hundred fifty-three thousand, two hundred thirty-three".

Divisors: 1 61 1674150053 102123153233