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47368509487 = 1317593632833
BaseRepresentation
bin101100000111011000…
…100001100000101111
311112021012012121021021
4230013120201200233
51234002314300422
633432155315011
73264556454515
oct540730414057
9145235177237
1047368509487
11190a831a302
12921b74ba67
13460b822550
1424150524b5
151373843dc7
hexb0762182f

47368509487 has 16 divisors (see below), whose sum is σ = 54928450080. Its totient is φ = 40455217152.

The previous prime is 47368509481. The next prime is 47368509497. The reversal of 47368509487 is 78490586374.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-47368509487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47368509481) 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, 1803378 + ... + 1829455.

It is an arithmetic number, because the mean of its divisors is an integer number (3433028130).

Almost surely, 247368509487 is an apocalyptic number.

47368509487 is a deficient number, since it is larger than the sum of its proper divisors (7559940593).

47368509487 is a wasteful number, since it uses less digits than its factorization.

47368509487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632922.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 47368509487 in words is "forty-seven billion, three hundred sixty-eight million, five hundred nine thousand, four hundred eighty-seven".

Divisors: 1 13 17 59 221 767 1003 13039 3632833 47226829 61758161 214337147 802856093 2786382911 3643731499 47368509487