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103023022121 = 573291797049
BaseRepresentation
bin101111111110010100…
…1101001000000101001
3100211220211222202222222
41133330221221000221
53141442343201441
6115154512523425
710305002145035
oct1377451510051
9324824882888
10103023022121
113a7678a0398
1217b72250575
13993abc4b26
144db473b1c5
152a2e829d4b
hex17fca69029

103023022121 has 4 divisors (see below), whose sum is σ = 103024876500. Its totient is φ = 103021167744.

The previous prime is 103023022097. The next prime is 103023022133. The reversal of 103023022121 is 121220320301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28378771600 + 74644250521 = 168460^2 + 273211^2 .

It is a cyclic number.

It is not a de Polignac number, because 103023022121 - 234 = 85843152937 is a prime.

It is a super-2 number, since 2×1030230221212 (a number of 23 digits) contains 22 as substring.

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 103023022121.

It is not an unprimeable number, because it can be changed into a prime (103023042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841196 + ... + 955853.

It is an arithmetic number, because the mean of its divisors is an integer number (25756219125).

Almost surely, 2103023022121 is an apocalyptic number.

It is an amenable number.

103023022121 is a deficient number, since it is larger than the sum of its proper divisors (1854379).

103023022121 is an equidigital number, since it uses as much as digits as its factorization.

103023022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854378.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103023022121 its reverse (121220320301), we get a palindrome (224243342422).

The spelling of 103023022121 in words is "one hundred three billion, twenty-three million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 57329 1797049 103023022121