Search a number
-
+
8146515145 = 51937262639
BaseRepresentation
bin1111001011001000…
…11111010011001001
3210000202002211220011
413211210133103021
5113141001441040
63424212031521
7405610144006
oct74544372311
923022084804
108146515145
11350054a44a
1216b43025a1
139ca9c1a82
14573d268ad
1532a2dc3ea
hex1e591f4c9

8146515145 has 24 divisors (see below), whose sum is σ = 10576137600. Its totient is φ = 6007234752.

The previous prime is 8146515137. The next prime is 8146515161. The reversal of 8146515145 is 5415156418.

It is not a de Polignac number, because 8146515145 - 23 = 8146515137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8146515098 and 8146515107.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98736 + ... + 161374.

It is an arithmetic number, because the mean of its divisors is an integer number (440672400).

Almost surely, 28146515145 is an apocalyptic number.

It is an amenable number.

8146515145 is a deficient number, since it is larger than the sum of its proper divisors (2429622455).

8146515145 is a wasteful number, since it uses less digits than its factorization.

8146515145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62737 (or 62700 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 8146515145 is about 90258.0475359400. The cubic root of 8146515145 is about 2012.1358075595.

The spelling of 8146515145 in words is "eight billion, one hundred forty-six million, five hundred fifteen thousand, one hundred forty-five".

Divisors: 1 5 19 37 95 185 703 1369 3515 6845 26011 62639 130055 313195 1190141 2317643 5950705 11588215 44035217 85752791 220176085 428763955 1629303029 8146515145