Search a number
-
+
48397890184947 = 3223927138293469
BaseRepresentation
bin10110000000100100000110…
…00011010110011011110011
320100100210102011220002000100
423000102003003112123303
522320422334341404242
6250533403411523443
713123426556610552
oct1300220303263363
9210323364802010
1048397890184947
111446a4803083a6
125517a035b9583
132100b94683784
14bd4682a37d99
1558de1822554c
hex2c04830d66f3

48397890184947 has 24 divisors (see below), whose sum is σ = 70226450049600. Its totient is φ = 32118412088448.

The previous prime is 48397890184927. The next prime is 48397890184949. The reversal of 48397890184947 is 74948109879384.

48397890184947 is a `hidden beast` number, since 4 + 8 + 39 + 7 + 8 + 90 + 1 + 8 + 494 + 7 = 666.

It is not a de Polignac number, because 48397890184947 - 218 = 48397889922803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48397890184949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1688929 + ... + 9982397.

It is an arithmetic number, because the mean of its divisors is an integer number (2926102085400).

Almost surely, 248397890184947 is an apocalyptic number.

48397890184947 is a deficient number, since it is larger than the sum of its proper divisors (21828559864653).

48397890184947 is a wasteful number, since it uses less digits than its factorization.

48397890184947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296427 (or 8296424 counting only the distinct ones).

The product of its (nonzero) digits is 3511517184, while the sum is 81.

The spelling of 48397890184947 in words is "forty-eight trillion, three hundred ninety-seven billion, eight hundred ninety million, one hundred eighty-four thousand, nine hundred forty-seven".

Divisors: 1 3 9 239 717 2151 2713 8139 24417 648407 1945221 5835663 8293469 24880407 74641221 1982139091 5946417273 17839251819 22500181397 67500544191 202501632573 5377543353883 16132630061649 48397890184947