Search a number
-
+
66067012942 = 2753149959399
BaseRepresentation
bin111101100001111001…
…101001110101001110
320022112022201222220021
4331201321221311032
52040301123403232
650203433212354
74526126226040
oct754171516516
9208468658807
1066067012942
1126023119747
12109798610ba
1362cb689c88
1432aa547a90
151aba1c6397
hexf61e69d4e

66067012942 has 32 divisors (see below), whose sum is σ = 115473600000. Its totient is φ = 27761199648.

The previous prime is 66067012931. The next prime is 66067012967. The reversal of 66067012942 is 24921076066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082559 + ... + 1141957.

It is an arithmetic number, because the mean of its divisors is an integer number (3608550000).

Almost surely, 266067012942 is an apocalyptic number.

66067012942 is a deficient number, since it is larger than the sum of its proper divisors (49406587058).

66067012942 is a wasteful number, since it uses less digits than its factorization.

66067012942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60960.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 66067012942 in words is "sixty-six billion, sixty-seven million, twelve thousand, nine hundred forty-two".

Divisors: 1 2 7 14 53 106 371 742 1499 2998 10493 20986 59399 79447 118798 158894 415793 556129 831586 1112258 3148147 6296294 22037029 44074058 89039101 178078202 623273707 1246547414 4719072353 9438144706 33033506471 66067012942