Search a number
-
+
47405256123117 = 340139405865439
BaseRepresentation
bin10101100011101011001010…
…11100111010001011101101
320012211220020210210002010010
422301311211130322023231
522203141431031414432
6244453401331003433
712661626303366114
oct1261654534721355
9205756223702103
1047405256123117
1114117502257912
125397558439579
13205b3b1467739
14b9c5d89a6c7b
155731bd4ae3cc
hex2b1d6573a2ed

47405256123117 has 8 divisors (see below), whose sum is σ = 63364631627520. Its totient is φ = 31524692350400.

The previous prime is 47405256123073. The next prime is 47405256123143. The reversal of 47405256123117 is 71132165250474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47405256123117 - 216 = 47405256057581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47405256123157) 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, 19702931517 + ... + 19702933922.

It is an arithmetic number, because the mean of its divisors is an integer number (7920578953440).

Almost surely, 247405256123117 is an apocalyptic number.

It is an amenable number.

47405256123117 is a deficient number, since it is larger than the sum of its proper divisors (15959375504403).

47405256123117 is a wasteful number, since it uses less digits than its factorization.

47405256123117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39405865843.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 47405256123117 in words is "forty-seven trillion, four hundred five billion, two hundred fifty-six million, one hundred twenty-three thousand, one hundred seventeen".

Divisors: 1 3 401 1203 39405865439 118217596317 15801752041039 47405256123117