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4040101531 = 12491323441
BaseRepresentation
bin1111000011001111…
…0000111010011011
3101102120011102102001
43300303300322123
531233231222111
61504521221431
7202055203444
oct36063607233
911376142361
104040101531
111793594094
12949031877
134c502252b
142a47d22cb
15189a471c1
hexf0cf0e9b

4040101531 has 4 divisors (see below), whose sum is σ = 4040437464. Its totient is φ = 4039765600.

The previous prime is 4040101487. The next prime is 4040101573. The reversal of 4040101531 is 1351010404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4040101531 - 213 = 4040093339 is a prime.

It is a super-2 number, since 2×40401015312 = 32644840761577087922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4040101499 and 4040101508.

It is not an unprimeable number, because it can be changed into a prime (4040101031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149230 + ... + 174211.

It is an arithmetic number, because the mean of its divisors is an integer number (1010109366).

Almost surely, 24040101531 is an apocalyptic number.

4040101531 is a deficient number, since it is larger than the sum of its proper divisors (335933).

4040101531 is a wasteful number, since it uses less digits than its factorization.

4040101531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335932.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4040101531 is about 63561.7930127840. The cubic root of 4040101531 is about 1592.6881903146.

Adding to 4040101531 its reverse (1351010404), we get a palindrome (5391111935).

The spelling of 4040101531 in words is "four billion, forty million, one hundred one thousand, five hundred thirty-one".

Divisors: 1 12491 323441 4040101531