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122231300101 = 187365259637
BaseRepresentation
bin111000111010110001…
…1011010000000000101
3102200111111202101210221
41301311203122000011
54000312203100401
6132052520544341
711555001623341
oct1616543320005
9380444671727
10122231300101
1147924422999
121b8330220b1
13b6ac5576a1
145cb7810621
1532a5d067a1
hex1c758da005

122231300101 has 4 divisors (see below), whose sum is σ = 122296561612. Its totient is φ = 122166038592.

The previous prime is 122231300057. The next prime is 122231300129. The reversal of 122231300101 is 101003132221.

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 39362163201 + 82869136900 = 198399^2 + 287870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122231300101 is a prime.

It is a super-2 number, since 2×1222313001012 (a number of 23 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 (122231300131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32627946 + ... + 32631691.

It is an arithmetic number, because the mean of its divisors is an integer number (30574140403).

Almost surely, 2122231300101 is an apocalyptic number.

It is an amenable number.

122231300101 is a deficient number, since it is larger than the sum of its proper divisors (65261511).

122231300101 is an equidigital number, since it uses as much as digits as its factorization.

122231300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65261510.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 122231300101 its reverse (101003132221), we get a palindrome (223234432322).

The spelling of 122231300101 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred thousand, one hundred one".

Divisors: 1 1873 65259637 122231300101