Search a number
-
+
45155424231 = 3210348711353
BaseRepresentation
bin101010000011011110…
…010001011111100111
311022112221220020000200
4222003132101133213
51214434242033411
632424421241543
73155664526101
oct520336213747
9138487806020
1045155424231
1118172072625
1289025632b3
13434818bc48
14228516a571
1512943dee56
hexa837917e7

45155424231 has 12 divisors (see below), whose sum is σ = 65857750608. Its totient is φ = 29811347424.

The previous prime is 45155424137. The next prime is 45155424233. The reversal of 45155424231 is 13242455154.

45155424231 is a `hidden beast` number, since 4 + 51 + 554 + 24 + 2 + 31 = 666.

It is not a de Polignac number, because 45155424231 - 225 = 45121869799 is a prime.

It is a super-3 number, since 3×451554242313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155424233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24354750 + ... + 24356603.

It is an arithmetic number, because the mean of its divisors is an integer number (5488145884).

Almost surely, 245155424231 is an apocalyptic number.

45155424231 is a deficient number, since it is larger than the sum of its proper divisors (20702326377).

45155424231 is a wasteful number, since it uses less digits than its factorization.

45155424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48711462 (or 48711459 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 45155424231 its reverse (13242455154), we get a palindrome (58397879385).

The spelling of 45155424231 in words is "forty-five billion, one hundred fifty-five million, four hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 103 309 927 48711353 146134059 438402177 5017269359 15051808077 45155424231