Search a number
-
+
315223053225 = 35228114957203
BaseRepresentation
bin1001001011001001100…
…00100001001110101001
31010010122102210020221020
410211210300201032221
520131034100200400
6400451140003053
731526343512613
oct4454460411651
91103572706836
10315223053225
1111175a217523
1251113690489
1323957944002
1411384c29db3
1582edd832a0
hex4964c213a9

315223053225 has 24 divisors (see below), whose sum is σ = 523023509472. Its totient is φ = 167520662400.

The previous prime is 315223053221. The next prime is 315223053227. The reversal of 315223053225 is 522350322513.

It is not a de Polignac number, because 315223053225 - 22 = 315223053221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315223053221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7457527 + ... + 7499676.

It is an arithmetic number, because the mean of its divisors is an integer number (21792646228).

Almost surely, 2315223053225 is an apocalyptic number.

It is an amenable number.

315223053225 is a deficient number, since it is larger than the sum of its proper divisors (207800456247).

315223053225 is a wasteful number, since it uses less digits than its factorization.

315223053225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14957497 (or 14957492 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 315223053225 its reverse (522350322513), we get a palindrome (837573375738).

The spelling of 315223053225 in words is "three hundred fifteen billion, two hundred twenty-three million, fifty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 281 843 1405 4215 7025 21075 14957203 44871609 74786015 224358045 373930075 1121790225 4202974043 12608922129 21014870215 63044610645 105074351075 315223053225