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103247052121 = 836831821289
BaseRepresentation
bin110000000101000000…
…0001111110101011001
3100212111110112200101101
41200022000033311121
53142422221131441
6115233034351401
710313362314523
oct1401200176531
9325443480341
10103247052121
113a8722a6454
121801528b561
139975443965
144dd63b6a13
152a4432e231
hex180a00fd59

103247052121 has 8 divisors (see below), whose sum is σ = 104644038240. Its totient is φ = 101853710112.

The previous prime is 103247052113. The next prime is 103247052149. The reversal of 103247052121 is 121250742301.

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 103247052121 - 23 = 103247052113 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 103247052121.

It is not an unprimeable number, because it can be changed into a prime (103247052101) 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, 853956 + ... + 967333.

It is an arithmetic number, because the mean of its divisors is an integer number (13080504780).

Almost surely, 2103247052121 is an apocalyptic number.

It is an amenable number.

103247052121 is a deficient number, since it is larger than the sum of its proper divisors (1396986119).

103247052121 is an equidigital number, since it uses as much as digits as its factorization.

103247052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822055.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 103247052121 its reverse (121250742301), we get a palindrome (224497794422).

The spelling of 103247052121 in words is "one hundred three billion, two hundred forty-seven million, fifty-two thousand, one hundred twenty-one".

Divisors: 1 83 683 56689 1821289 151166987 1243940387 103247052121