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102103330121 = 1323813298657
BaseRepresentation
bin101111100010111010…
…1010010110101001001
3100202112202102120202022
41133011311102311021
53133101423030441
6114523340414225
710243133662202
oct1370565226511
9322482376668
10102103330121
113a335739161
1217956247375
1398224c5290
144d285365a9
1529c8c0d84b
hex17c5d52d49

102103330121 has 8 divisors (see below), whose sum is σ = 110003646984. Its totient is φ = 94209615360.

The previous prime is 102103330117. The next prime is 102103330151. The reversal of 102103330121 is 121033301201.

It can be written as a sum of positive squares in 4 ways, for example, as 8428158025 + 93675172096 = 91805^2 + 306064^2 .

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 102103330121 - 22 = 102103330117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103330121.

It is not an unprimeable number, because it can be changed into a prime (102103330151) 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, 1618376 + ... + 1680281.

It is an arithmetic number, because the mean of its divisors is an integer number (13750455873).

Almost surely, 2102103330121 is an apocalyptic number.

It is an amenable number.

102103330121 is a deficient number, since it is larger than the sum of its proper divisors (7900316863).

102103330121 is a wasteful number, since it uses less digits than its factorization.

102103330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301051.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102103330121 its reverse (121033301201), we get a palindrome (223136631322).

The spelling of 102103330121 in words is "one hundred two billion, one hundred three million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 13 2381 30953 3298657 42882541 7854102317 102103330121