Search a number
-
+
13531114020 = 2235225518567
BaseRepresentation
bin11001001101000010…
…00110101000100100
31021221000011210221010
430212201012220210
5210202431122040
610114402422220
7656212400004
oct144641065044
937830153833
1013531114020
115813a63266
122757661970
13137842bb58
14925100004
15542db3e80
hex326846a24

13531114020 has 24 divisors (see below), whose sum is σ = 37887119424. Its totient is φ = 3608297056.

The previous prime is 13531114013. The next prime is 13531114027. The reversal of 13531114020 is 2041113531.

It is an interprime number because it is at equal distance from previous prime (13531114013) and next prime (13531114027).

It is not an unprimeable number, because it can be changed into a prime (13531114027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112759224 + ... + 112759343.

It is an arithmetic number, because the mean of its divisors is an integer number (1578629976).

Almost surely, 213531114020 is an apocalyptic number.

13531114020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531114020 is an abundant number, since it is smaller than the sum of its proper divisors (24356005404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531114020 is a wasteful number, since it uses less digits than its factorization.

13531114020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225518579 (or 225518577 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13531114020 its reverse (2041113531), we get a palindrome (15572227551).

It can be divided in two parts, 135311 and 14020, that added together give a triangular number (149331 = T546).

The spelling of 13531114020 in words is "thirteen billion, five hundred thirty-one million, one hundred fourteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 225518567 451037134 676555701 902074268 1127592835 1353111402 2255185670 2706222804 3382778505 4510371340 6765557010 13531114020