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103123123102 = 251561561551
BaseRepresentation
bin110000000001010011…
…1011111101110011110
3100212011211100102201201
41200002213133232132
53142144004414402
6115212450230114
710310326040446
oct1400247375636
9325154312651
10103123123102
113a80935077a
1217b9b88533a
13995587258c
144dc3b57126
152a384ee687
hex18029dfb9e

103123123102 has 4 divisors (see below), whose sum is σ = 154684684656. Its totient is φ = 51561561550.

The previous prime is 103123123087. The next prime is 103123123133. The reversal of 103123123102 is 201321321301.

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

It is a super-2 number, since 2×1031231231022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103123123102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25780780774 + ... + 25780780777.

It is an arithmetic number, because the mean of its divisors is an integer number (38671171164).

Almost surely, 2103123123102 is an apocalyptic number.

103123123102 is a deficient number, since it is larger than the sum of its proper divisors (51561561554).

103123123102 is an equidigital number, since it uses as much as digits as its factorization.

103123123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51561561553.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103123123102 its reverse (201321321301), we get a palindrome (304444444403).

The spelling of 103123123102 in words is "one hundred three billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred two".

Divisors: 1 2 51561561551 103123123102