Search a number
-
+
85512542612 = 2273054019379
BaseRepresentation
bin100111110100011110…
…0011101100110010100
322011201111221020211212
41033220330131212110
52400112202330422
6103141154320552
76115036422260
oct1175074354624
9264644836755
1085512542612
11332a1667a22
12146a5b89158
1380aa21a753
1441d2d390a0
1523574199e2
hex13e8f1d994

85512542612 has 12 divisors (see below), whose sum is σ = 171025085280. Its totient is φ = 36648232536.

The previous prime is 85512542597. The next prime is 85512542629. The reversal of 85512542612 is 21624521558.

85512542612 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 85512542612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527009662 + ... + 1527009717.

It is an arithmetic number, because the mean of its divisors is an integer number (14252090440).

Almost surely, 285512542612 is an apocalyptic number.

It is an amenable number.

85512542612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85512542612 is a wasteful number, since it uses less digits than its factorization.

85512542612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054019390 (or 3054019388 counting only the distinct ones).

The product of its digits is 192000, while the sum is 41.

The spelling of 85512542612 in words is "eighty-five billion, five hundred twelve million, five hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 3054019379 6108038758 12216077516 21378135653 42756271306 85512542612