Search a number
-
+
66134121214 = 2747100507783
BaseRepresentation
bin111101100101111001…
…101001101011111110
320022201000000110010211
4331211321221223332
52040420313334324
650214231423034
74530602520010
oct754571515376
9208630013124
1066134121214
1126057a95127
1210998224a7a
13630c555505
1432b54161b0
151ac1030294
hexf65e69afe

66134121214 has 16 divisors (see below), whose sum is σ = 115784967168. Its totient is φ = 27740147832.

The previous prime is 66134121211. The next prime is 66134121233. The reversal of 66134121214 is 41212143166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66134121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50253234 + ... + 50254549.

It is an arithmetic number, because the mean of its divisors is an integer number (7236560448).

Almost surely, 266134121214 is an apocalyptic number.

66134121214 is a deficient number, since it is larger than the sum of its proper divisors (49650845954).

66134121214 is a wasteful number, since it uses less digits than its factorization.

66134121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100507839.

The product of its digits is 6912, while the sum is 31.

The spelling of 66134121214 in words is "sixty-six billion, one hundred thirty-four million, one hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 47 94 329 658 100507783 201015566 703554481 1407108962 4723865801 9447731602 33067060607 66134121214