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32013203144 = 2313307819261
BaseRepresentation
bin11101110100001000…
…101011011011001000
310001122001111012220112
4131310020223123020
51011030340000034
622412350013452
72212213510526
oct356410533310
9101561435815
1032013203144
111263868938a
1262551a7288
1330324b2c70
14179997d316
15c757487ce
hex77422b6c8

32013203144 has 16 divisors (see below), whose sum is σ = 64642045020. Its totient is φ = 14775324480.

The previous prime is 32013203143. The next prime is 32013203191. The reversal of 32013203144 is 44130231023.

It can be written as a sum of positive squares in 2 ways, for example, as 30279480100 + 1733723044 = 174010^2 + 41638^2 .

It is a super-2 number, since 2×320132031442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32013203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153909527 + ... + 153909734.

Almost surely, 232013203144 is an apocalyptic number.

It is an amenable number.

32013203144 is an abundant number, since it is smaller than the sum of its proper divisors (32628841876).

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

32013203144 is a wasteful number, since it uses less digits than its factorization.

32013203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307819280 (or 307819276 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32013203144 its reverse (44130231023), we get a palindrome (76143434167).

The spelling of 32013203144 in words is "thirty-two billion, thirteen million, two hundred three thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 307819261 615638522 1231277044 2462554088 4001650393 8003300786 16006601572 32013203144