Search a number
-
+
15245238145 = 519160476191
BaseRepresentation
bin11100011001010111…
…11101111110000001
31110100110121100011211
432030223331332001
5222210240110040
611000434210121
71046535246304
oct161453757601
943313540154
1015245238145
1165135a3075
122b55723941
13158c5b2197
14a48a20b3b
155e36078ea
hex38cafdf81

15245238145 has 8 divisors (see below), whose sum is σ = 19257143040. Its totient is φ = 11554285680.

The previous prime is 15245238137. The next prime is 15245238199. The reversal of 15245238145 is 54183254251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15245238145 - 23 = 15245238137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15245238098 and 15245238107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80238001 + ... + 80238190.

It is an arithmetic number, because the mean of its divisors is an integer number (2407142880).

Almost surely, 215245238145 is an apocalyptic number.

It is an amenable number.

15245238145 is a deficient number, since it is larger than the sum of its proper divisors (4011904895).

15245238145 is a wasteful number, since it uses less digits than its factorization.

15245238145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160476215.

The product of its digits is 192000, while the sum is 40.

The spelling of 15245238145 in words is "fifteen billion, two hundred forty-five million, two hundred thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 19 95 160476191 802380955 3049047629 15245238145