Search a number
-
+
47542521164431 = 1018632399227363
BaseRepresentation
bin10101100111101010110110…
…00101011111001010001111
320020100000120001011122212011
422303311123011133022033
522212414040404230211
6245040422133122051
713004555665111666
oct1263653305371217
9206300501148764
1047542521164431
111416a740848017
1253ba086189327
13206b318522c87
14ba50daca1ddd
15576a54042921
hex2b3d5b15f28f

47542521164431 has 16 divisors (see below), whose sum is σ = 48089123020800. Its totient is φ = 46997453351200.

The previous prime is 47542521164407. The next prime is 47542521164471. The reversal of 47542521164431 is 13446112524574.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47542521164431 - 215 = 47542521131663 is a prime.

It is a super-2 number, since 2×475425211644312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47542521164471) 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, 208990356 + ... + 209217718.

It is an arithmetic number, because the mean of its divisors is an integer number (3005570188800).

Almost surely, 247542521164431 is an apocalyptic number.

47542521164431 is a deficient number, since it is larger than the sum of its proper divisors (546601856369).

47542521164431 is a wasteful number, since it uses less digits than its factorization.

47542521164431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230726.

The product of its digits is 3225600, while the sum is 49.

The spelling of 47542521164431 in words is "forty-seven trillion, five hundred forty-two billion, five hundred twenty-one million, one hundred sixty-four thousand, four hundred thirty-one".

Divisors: 1 101 863 2399 87163 227363 242299 2070337 22963663 196214269 209104037 545443837 19817641169 55089827537 470718031331 47542521164431