Search a number
-
+
47287013145561 = 337250195836749
BaseRepresentation
bin10101100000001110111011…
…00111101111101111011001
320012102121001020202110022000
422300013131213233233121
522144222300331124221
6244323204241351213
712650242160562120
oct1260073547575731
9205377036673260
1047287013145561
1114081345172762
125378659038509
1320501b92a3527
14b969bcb4aab7
1557009c8c2e26
hex2b01dd9efbd9

47287013145561 has 16 divisors (see below), whose sum is σ = 80062667760000. Its totient is φ = 27021150368784.

The previous prime is 47287013145551. The next prime is 47287013145611. The reversal of 47287013145561 is 16554131078274.

47287013145561 is a `hidden beast` number, since 4 + 7 + 2 + 8 + 7 + 0 + 1 + 31 + 45 + 561 = 666.

It is not a de Polignac number, because 47287013145561 - 25 = 47287013145529 is a prime.

It is a super-2 number, since 2×472870131455612 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47287013145498 and 47287013145507.

It is not an unprimeable number, because it can be changed into a prime (47287013145511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125097918186 + ... + 125097918563.

It is an arithmetic number, because the mean of its divisors is an integer number (5003916735000).

Almost surely, 247287013145561 is an apocalyptic number.

It is an amenable number.

47287013145561 is a deficient number, since it is larger than the sum of its proper divisors (32775654614439).

47287013145561 is a wasteful number, since it uses less digits than its factorization.

47287013145561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250195836765 (or 250195836759 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 47287013145561 in words is "forty-seven trillion, two hundred eighty-seven billion, thirteen million, one hundred forty-five thousand, five hundred sixty-one".

Divisors: 1 3 7 9 21 27 63 189 250195836749 750587510247 1751370857243 2251762530741 5254112571729 6755287592223 15762337715187 47287013145561