Search a number
-
+
472120646293 is a prime number
BaseRepresentation
bin1101101111011001001…
…01010101101010010101
31200010121220021210200201
412313230211111222111
530213400341140133
61000520023540501
746052406164632
oct6675445255225
91603556253621
10472120646293
1117225288440a
12776002ba731
13356a022218a
1418bca6bb189
15c43329dd7d
hex6dec955a95

472120646293 has 2 divisors, whose sum is σ = 472120646294. Its totient is φ = 472120646292.

The previous prime is 472120646267. The next prime is 472120646317. The reversal of 472120646293 is 392646021274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466245883684 + 5874762609 = 682822^2 + 76647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472120646293 is a prime.

It is a super-2 number, since 2×4721206462932 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472120646593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236060323146 + 236060323147.

It is an arithmetic number, because the mean of its divisors is an integer number (236060323147).

Almost surely, 2472120646293 is an apocalyptic number.

It is an amenable number.

472120646293 is a deficient number, since it is larger than the sum of its proper divisors (1).

472120646293 is an equidigital number, since it uses as much as digits as its factorization.

472120646293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 472120646293 in words is "four hundred seventy-two billion, one hundred twenty million, six hundred forty-six thousand, two hundred ninety-three".