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431110441044 = 22341330587781
BaseRepresentation
bin1100100011000000010…
…11110100100001010100
31112012202211100112010000
412101200023310201110
524030403233103134
6530014400531300
743101214200213
oct6214013644124
91465684315100
10431110441044
111569186721a8
126b676020b30
1331865a9b63a
1416c19ca707a
15b332c6be99
hex64602f4854

431110441044 has 30 divisors (see below), whose sum is σ = 1127007851354. Its totient is φ = 143703480240.

The previous prime is 431110441043. The next prime is 431110441057. The reversal of 431110441044 is 440144011134.

It can be written as a sum of positive squares in only one way, i.e., 430467210000 + 643231044 = 656100^2 + 25362^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 431110440999 and 431110441017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431110441043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 665293567 + ... + 665294214.

Almost surely, 2431110441044 is an apocalyptic number.

It is an amenable number.

431110441044 is an abundant number, since it is smaller than the sum of its proper divisors (695897410310).

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

431110441044 is a wasteful number, since it uses less digits than its factorization.

431110441044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330587797 (or 1330587786 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 431110441044 its reverse (440144011134), we get a palindrome (871254452178).

The spelling of 431110441044 in words is "four hundred thirty-one billion, one hundred ten million, four hundred forty-one thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1330587781 2661175562 3991763343 5322351124 7983526686 11975290029 15967053372 23950580058 35925870087 47901160116 71851740174 107777610261 143703480348 215555220522 431110441044