Search a number
-
+
45387782427 = 3136137275119
BaseRepresentation
bin101010010001010100…
…101001100100011011
311100011011010020112210
4222101110221210123
51220423233014202
632503441410203
73164515533201
oct522124514433
9140134106483
1045387782427
1118281246799
128968339963
1343843656c0
1422a7d73071
1512a99dbc6c
hexa9152991b

45387782427 has 32 divisors (see below), whose sum is σ = 66271313920. Its totient is φ = 27460321920.

The previous prime is 45387782413. The next prime is 45387782437. The reversal of 45387782427 is 72428778354.

It is not a de Polignac number, because 45387782427 - 210 = 45387781403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45387782437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8863974 + ... + 8869092.

It is an arithmetic number, because the mean of its divisors is an integer number (2070978560).

Almost surely, 245387782427 is an apocalyptic number.

45387782427 is a deficient number, since it is larger than the sum of its proper divisors (20883531493).

45387782427 is a wasteful number, since it uses less digits than its factorization.

45387782427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923.

The product of its digits is 21073920, while the sum is 57.

The spelling of 45387782427 in words is "forty-five billion, three hundred eighty-seven million, seven hundred eighty-two thousand, four hundred twenty-seven".

Divisors: 1 3 13 39 61 183 793 2379 3727 5119 11181 15357 48451 66547 145353 199641 227347 312259 682041 936777 2955511 4059367 8866533 12178101 19078513 57235539 248020669 744062007 1163789293 3491367879 15129260809 45387782427