Search a number
-
+
120892508413 is a prime number
BaseRepresentation
bin111000010010111000…
…0010100100011111101
3102120001012120201212121
41300211300110203331
53440041440232123
6131312014002541
711506554236515
oct1604560244375
9376035521777
10120892508413
11472a773a986
121b51a7a6451
13b528089b61
145bcbab2845
15322850275d
hex1c25c148fd

120892508413 has 2 divisors, whose sum is σ = 120892508414. Its totient is φ = 120892508412.

The previous prime is 120892508371. The next prime is 120892508417. The reversal of 120892508413 is 314805298021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68202978649 + 52689529764 = 261157^2 + 229542^2 .

It is an emirp because it is prime and its reverse (314805298021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120892508413 - 213 = 120892500221 is a prime.

It is a super-2 number, since 2×1208925084132 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120892508413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120892508417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60446254206 + 60446254207.

It is an arithmetic number, because the mean of its divisors is an integer number (60446254207).

Almost surely, 2120892508413 is an apocalyptic number.

It is an amenable number.

120892508413 is a deficient number, since it is larger than the sum of its proper divisors (1).

120892508413 is an equidigital number, since it uses as much as digits as its factorization.

120892508413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 120892508413 in words is "one hundred twenty billion, eight hundred ninety-two million, five hundred eight thousand, four hundred thirteen".