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42062131541 = 2910091437481
BaseRepresentation
bin100111001011000110…
…010011000101010101
311000120101022200011202
4213023012103011111
51142120401202131
631153441242245
73016224135053
oct471306230525
9130511280152
1042062131541
1116924a81a91
12819a633385
133c74371b41
1420703db1d3
151162a6dbcb
hex9cb193155

42062131541 has 8 divisors (see below), whose sum is σ = 43555704600. Its totient is φ = 40571435520.

The previous prime is 42062131537. The next prime is 42062131549. The reversal of 42062131541 is 14513126024.

It can be written as a sum of positive squares in 4 ways, for example, as 342435025 + 41719696516 = 18505^2 + 204254^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42062131541 - 22 = 42062131537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42062131549) 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 7 ways as a sum of consecutive naturals, for example, 689480 + ... + 748001.

It is an arithmetic number, because the mean of its divisors is an integer number (5444463075).

Almost surely, 242062131541 is an apocalyptic number.

It is an amenable number.

42062131541 is a deficient number, since it is larger than the sum of its proper divisors (1493573059).

42062131541 is a wasteful number, since it uses less digits than its factorization.

42062131541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438519.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 42062131541 its reverse (14513126024), we get a palindrome (56575257565).

The spelling of 42062131541 in words is "forty-two billion, sixty-two million, one hundred thirty-one thousand, five hundred forty-one".

Divisors: 1 29 1009 29261 1437481 41686949 1450418329 42062131541