Search a number
-
+
102420314123 = 611679021543
BaseRepresentation
bin101111101100010111…
…0011111100000001011
3100210100211220001001112
41133120232133200023
53134224100022443
6115015022440535
710254033206621
oct1373056374013
9323324801045
10102420314123
113a488662a06
1217a2443314b
13987308b78a
144d5868b511
1529e6974b18
hex17d8b9f80b

102420314123 has 4 divisors (see below), whose sum is σ = 104099335728. Its totient is φ = 100741292520.

The previous prime is 102420314099. The next prime is 102420314147. The reversal of 102420314123 is 321413024201.

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

It is an interprime number because it is at equal distance from previous prime (102420314099) and next prime (102420314147).

It is a cyclic number.

It is not a de Polignac number, because 102420314123 - 214 = 102420297739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420314023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839510711 + ... + 839510832.

It is an arithmetic number, because the mean of its divisors is an integer number (26024833932).

Almost surely, 2102420314123 is an apocalyptic number.

102420314123 is a deficient number, since it is larger than the sum of its proper divisors (1679021605).

102420314123 is an equidigital number, since it uses as much as digits as its factorization.

102420314123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679021604.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102420314123 its reverse (321413024201), we get a palindrome (423833338324).

The spelling of 102420314123 in words is "one hundred two billion, four hundred twenty million, three hundred fourteen thousand, one hundred twenty-three".

Divisors: 1 61 1679021543 102420314123