Search a number
-
+
13122302123 = 716311500703
BaseRepresentation
bin11000011100010011…
…00111000010101011
31020212111221000102202
430032021213002223
5203333302131443
610010040250415
7643116504410
oct141611470253
936774830382
1013122302123
115624219897
122662770a0b
131311823718
148c6ac4107
1551c05e7b8
hex30e2670ab

13122302123 has 8 divisors (see below), whose sum is σ = 15088923648. Its totient is φ = 11178682344.

The previous prime is 13122302117. The next prime is 13122302129. The reversal of 13122302123 is 32120322131.

It is an interprime number because it is at equal distance from previous prime (13122302117) and next prime (13122302129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122302123 - 214 = 13122285739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13122302095 and 13122302104.

It is not an unprimeable number, because it can be changed into a prime (13122302129) 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, 5749211 + ... + 5751492.

It is an arithmetic number, because the mean of its divisors is an integer number (1886115456).

Almost surely, 213122302123 is an apocalyptic number.

13122302123 is a deficient number, since it is larger than the sum of its proper divisors (1966621525).

13122302123 is a wasteful number, since it uses less digits than its factorization.

13122302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500873.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13122302123 its reverse (32120322131), we get a palindrome (45242624254).

The spelling of 13122302123 in words is "thirteen billion, one hundred twenty-two million, three hundred two thousand, one hundred twenty-three".

Divisors: 1 7 163 1141 11500703 80504921 1874614589 13122302123