Search a number
-
+
136163642 = 21729197701
BaseRepresentation
bin10000001110110…
…11000100111010
3100111012211101212
420013123010322
5234324214032
621302243122
73242241356
oct1007330472
9314184355
10136163642
116a95183a
12397264a2
1322296104
1414126466
15be49bb2
hex81db13a

136163642 has 32 divisors (see below), whose sum is σ = 225173520. Its totient is φ = 61465600.

The previous prime is 136163639. The next prime is 136163669. The reversal of 136163642 is 246361631.

It can be written as a sum of positive squares in 8 ways, for example, as 134768881 + 1394761 = 11609^2 + 1181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136163599 and 136163608.

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 in 15 ways as a sum of consecutive naturals, for example, 193892 + ... + 194592.

Almost surely, 2136163642 is an apocalyptic number.

136163642 is a deficient number, since it is larger than the sum of its proper divisors (89009878).

136163642 is a wasteful number, since it uses less digits than its factorization.

136163642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 15552, while the sum is 32.

The square root of 136163642 is about 11668.9177732984. The cubic root of 136163642 is about 514.4624950979.

The spelling of 136163642 in words is "one hundred thirty-six million, one hundred sixty-three thousand, six hundred forty-two".

Divisors: 1 2 17 29 34 58 197 394 493 701 986 1402 3349 5713 6698 11426 11917 20329 23834 40658 97121 138097 194242 276194 345593 691186 2347649 4004813 4695298 8009626 68081821 136163642