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8342768146 = 24171384073
BaseRepresentation
bin1111100010100010…
…01000101000010010
3210112102101112101211
413301101020220102
5114041222040041
63455502250334
7413512234126
oct76121105022
923472345354
108342768146
1135a1303209
121749b869aa
13a2c5666cb
14592011586
1533c656481
hex1f1448a12

8342768146 has 4 divisors (see below), whose sum is σ = 12514152222. Its totient is φ = 4171384072.

The previous prime is 8342768101. The next prime is 8342768153. The reversal of 8342768146 is 6418672438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6418672438 = 23209336219.

It can be written as a sum of positive squares in only one way, i.e., 5462835921 + 2879932225 = 73911^2 + 53665^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8342768146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085692035 + ... + 2085692038.

Almost surely, 28342768146 is an apocalyptic number.

8342768146 is a deficient number, since it is larger than the sum of its proper divisors (4171384076).

8342768146 is a wasteful number, since it uses less digits than its factorization.

8342768146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171384075.

The product of its digits is 1548288, while the sum is 49.

The square root of 8342768146 is about 91338.7548962651. The cubic root of 8342768146 is about 2028.1655024389.

The spelling of 8342768146 in words is "eight billion, three hundred forty-two million, seven hundred sixty-eight thousand, one hundred forty-six".

Divisors: 1 2 4171384073 8342768146