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42013231001 = 77270782549
BaseRepresentation
bin100111001000001011…
…110000011110011001
311000102222022021020122
4213020023300132121
51142020341343001
631144533203025
73015061366640
oct471013603631
9130388267218
1042013231001
11168aa412315
128186190475
133c671b0001
142067b0c357
15115d60eb1b
hex9c82f0799

42013231001 has 8 divisors (see below), whose sum is σ = 48016363200. Its totient is φ = 36010409328.

The previous prime is 42013230989. The next prime is 42013231009. The reversal of 42013231001 is 10013231024.

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 42013231001 - 210 = 42013229977 is a prime.

It is a super-2 number, since 2×420132310012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42013231009) 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, 467675 + ... + 550223.

It is an arithmetic number, because the mean of its divisors is an integer number (6002045400).

Almost surely, 242013231001 is an apocalyptic number.

It is an amenable number.

42013231001 is a deficient number, since it is larger than the sum of its proper divisors (6003132199).

42013231001 is an equidigital number, since it uses as much as digits as its factorization.

42013231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155263.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 42013231001 its reverse (10013231024), we get a palindrome (52026462025).

The spelling of 42013231001 in words is "forty-two billion, thirteen million, two hundred thirty-one thousand, one".

Divisors: 1 7 72707 82549 508949 577843 6001890143 42013231001