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103121453453413 = 11319013229148669
BaseRepresentation
bin10111011100100111010101…
…100110100001000001100101
3111112010022111101200111111011
4113130213111212201001211
5102004020214041002123
61003153201451142221
730502164514544263
oct2734472546410145
9445108441614434
10103121453453413
112a94862111603a
12b695766144971
134570408005bc5
141b671680b9433
15bdc65b8bbe0d
hex5dc9d59a1065

103121453453413 has 16 divisors (see below), whose sum is σ = 104121694594800. Its totient is φ = 102122784691200.

The previous prime is 103121453453393. The next prime is 103121453453437. The reversal of 103121453453413 is 314354354121301.

It can be written as a sum of positive squares in 8 ways, for example, as 35398132834689 + 67723320618724 = 5949633^2 + 8229418^2 .

It is a cyclic number.

It is not a de Polignac number, because 103121453453413 - 213 = 103121453445221 is a prime.

It is a super-2 number, since 2×1031214534534132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121453453713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693556843 + ... + 693705511.

It is an arithmetic number, because the mean of its divisors is an integer number (6507605912175).

Almost surely, 2103121453453413 is an apocalyptic number.

It is an amenable number.

103121453453413 is a deficient number, since it is larger than the sum of its proper divisors (1000241141387).

103121453453413 is a wasteful number, since it uses less digits than its factorization.

103121453453413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153912.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 103121453453413 in words is "one hundred three trillion, one hundred twenty-one billion, four hundred fifty-three million, four hundred fifty-three thousand, four hundred thirteen".

Divisors: 1 113 1901 3229 148669 214813 364877 6138329 16799597 282619769 480052201 693631177 31936033897 54245898713 912579234101 103121453453413