Search a number
-
+
118241836531 = 7131655378497
BaseRepresentation
bin110111000011111000…
…0110011110111110011
3102022012110212122121221
41232013300303313303
53414124402232111
6130153004525511
711354100012250
oct1560760636763
9368173778557
10118241836531
1146167485965
121aabab50897
13b1c4b84a60
145a19a40427
153120963371
hex1b87c33df3

118241836531 has 16 divisors (see below), whose sum is σ = 145539059904. Its totient is φ = 93547137024.

The previous prime is 118241836513. The next prime is 118241836549. The reversal of 118241836531 is 135638142811.

It is an interprime number because it is at equal distance from previous prime (118241836513) and next prime (118241836549).

It is a cyclic number.

It is not a de Polignac number, because 118241836531 - 211 = 118241834483 is a prime.

It is a super-4 number, since 4×1182418365314 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (118241836571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467075 + ... + 1545571.

It is an arithmetic number, because the mean of its divisors is an integer number (9096191244).

Almost surely, 2118241836531 is an apocalyptic number.

118241836531 is a deficient number, since it is larger than the sum of its proper divisors (27297223373).

118241836531 is a wasteful number, since it uses less digits than its factorization.

118241836531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95070.

The product of its digits is 138240, while the sum is 43.

The spelling of 118241836531 in words is "one hundred eighteen billion, two hundred forty-one million, eight hundred thirty-six thousand, five hundred thirty-one".

Divisors: 1 7 13 91 16553 78497 115871 215189 549479 1020461 1506323 7143227 1299360841 9095525887 16891690933 118241836531