Search a number
-
+
145276771825 = 5215713698963
BaseRepresentation
bin1000011101001100101…
…0111001110111110001
3111212222120212122212201
42013103022321313301
54340011323144300
6150423401223201
713332044120503
oct2072312716761
9455876778781
10145276771825
115667aa4a999
12241a4a91b01
1310912b77aa3
147062377d73
153ba40e966a
hex21d32b9df1

145276771825 has 12 divisors (see below), whose sum is σ = 180257913648. Its totient is φ = 116147406800.

The previous prime is 145276771807. The next prime is 145276771847. The reversal of 145276771825 is 528177672541.

It is not a de Polignac number, because 145276771825 - 25 = 145276771793 is a prime.

It is a super-2 number, since 2×1452767718252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1810207 + ... + 1888756.

It is an arithmetic number, because the mean of its divisors is an integer number (15021492804).

Almost surely, 2145276771825 is an apocalyptic number.

It is an amenable number.

145276771825 is a deficient number, since it is larger than the sum of its proper divisors (34981141823).

145276771825 is a wasteful number, since it uses less digits than its factorization.

145276771825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700544 (or 3700539 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 55.

The spelling of 145276771825 in words is "one hundred forty-five billion, two hundred seventy-six million, seven hundred seventy-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 1571 7855 39275 3698963 18494815 92474075 5811070873 29055354365 145276771825