Search a number
-
+
915252235121041 = 2333928121180777
BaseRepresentation
bin1101000000011010101100010…
…0010110101011000110010001
311110000122020222221001220120221
43100012223010112223012101
51424430443034142333131
613002325023340233041
7363532535414343436
oct32006530426530621
94400566887056527
10915252235121041
1124569a325170764
128679a02183b781
1330390bb929a60c
1412202631b6bb8d
1570c2c27313411
hex3406ac45ab191

915252235121041 has 4 divisors (see below), whose sum is σ = 919180356302052. Its totient is φ = 911324113940032.

The previous prime is 915252235121033. The next prime is 915252235121047. The reversal of 915252235121041 is 140121532252519.

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 658338300874816 + 256913934246225 = 25658104^2 + 16028535^2 .

It is a cyclic number.

It is not a de Polignac number, because 915252235121041 - 23 = 915252235121033 is a prime.

It is a super-2 number, since 2×9152522351210412 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (915252235121047) 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, 1964060590156 + ... + 1964060590621.

It is an arithmetic number, because the mean of its divisors is an integer number (229795089075513).

Almost surely, 2915252235121041 is an apocalyptic number.

It is an amenable number.

915252235121041 is a deficient number, since it is larger than the sum of its proper divisors (3928121181011).

915252235121041 is a wasteful number, since it uses less digits than its factorization.

915252235121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928121181010.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 915252235121041 in words is "nine hundred fifteen trillion, two hundred fifty-two billion, two hundred thirty-five million, one hundred twenty-one thousand, forty-one".

Divisors: 1 233 3928121180777 915252235121041