Search a number
-
+
4981931542 = 271973180361
BaseRepresentation
bin1001010001111001…
…00011111000010110
3110212012101100022001
410220330203320112
540200333302132
62142204025514
7234312501520
oct45074437026
913765340261
104981931542
1121271969a5
12b7053229a
136151a36b3
1435391aa10
151e2587ce7
hex128f23e16

4981931542 has 16 divisors (see below), whose sum is σ = 8544830112. Its totient is φ = 2134019520.

The previous prime is 4981931533. The next prime is 4981931609. The reversal of 4981931542 is 2451391894.

It is a junction number, because it is equal to n+sod(n) for n = 4981931492 and 4981931501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62559 + ... + 117802.

It is an arithmetic number, because the mean of its divisors is an integer number (534051882).

Almost surely, 24981931542 is an apocalyptic number.

4981931542 is a deficient number, since it is larger than the sum of its proper divisors (3562898570).

4981931542 is a wasteful number, since it uses less digits than its factorization.

4981931542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182343.

The product of its digits is 311040, while the sum is 46.

The square root of 4981931542 is about 70582.7991935712. The cubic root of 4981931542 is about 1707.9136853145.

The spelling of 4981931542 in words is "four billion, nine hundred eighty-one million, nine hundred thirty-one thousand, five hundred forty-two".

Divisors: 1 2 7 14 1973 3946 13811 27622 180361 360722 1262527 2525054 355852253 711704506 2490965771 4981931542