Search a number
-
+
61904902060206 = 234382129025063
BaseRepresentation
bin11100001001101010110111…
…01100100111100010101110
322010012001101001200111010000
432010311123230213202232
531103222214411411311
6335354415220325130
716016324116330632
oct1604653354474256
9263161331614100
1061904902060206
11187a77a33a0217
126b397025437a6
1328707b808cb6a
1411402db210dc2
1572544dda3056
hex384d5bb278ae

61904902060206 has 20 divisors (see below), whose sum is σ = 138712836098232. Its totient is φ = 20634967353348.

The previous prime is 61904902060189. The next prime is 61904902060237. The reversal of 61904902060206 is 60206020940916.

61904902060206 is a `hidden beast` number, since 6 + 19 + 0 + 4 + 9 + 0 + 20 + 602 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 191064512370 + ... + 191064512693.

Almost surely, 261904902060206 is an apocalyptic number.

61904902060206 is an abundant number, since it is smaller than the sum of its proper divisors (76807934038026).

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

61904902060206 is a wasteful number, since it uses less digits than its factorization.

61904902060206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382129025077 (or 382129025068 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 61904902060206 in words is "sixty-one trillion, nine hundred four billion, nine hundred two million, sixty thousand, two hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 382129025063 764258050126 1146387075189 2292774150378 3439161225567 6878322451134 10317483676701 20634967353402 30952451030103 61904902060206