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140431140434501 = 720061591490643
BaseRepresentation
bin11111111011100010101100…
…001111011011001001000101
3200102020002022122000212222222
4133323202230033123021011
5121401310433422401001
61214401101510502125
741402546400356630
oct3773425417331105
9612202278025888
10140431140434501
114082256a819a24
12139005b4964945
1360487a4781037
142696c91160c17
151137e09bd061b
hex7fb8ac3db245

140431140434501 has 4 divisors (see below), whose sum is σ = 160492731925152. Its totient is φ = 120369548943852.

The previous prime is 140431140434447. The next prime is 140431140434513. The reversal of 140431140434501 is 105434041134041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140431140434501 - 214 = 140431140418117 is a prime.

It is a super-2 number, since 2×1404311404345012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431140434561) 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, 10030795745315 + ... + 10030795745328.

It is an arithmetic number, because the mean of its divisors is an integer number (40123182981288).

Almost surely, 2140431140434501 is an apocalyptic number.

It is an amenable number.

140431140434501 is a deficient number, since it is larger than the sum of its proper divisors (20061591490651).

140431140434501 is an equidigital number, since it uses as much as digits as its factorization.

140431140434501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061591490650.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 140431140434501 its reverse (105434041134041), we get a palindrome (245865181568542).

The spelling of 140431140434501 in words is "one hundred forty trillion, four hundred thirty-one billion, one hundred forty million, four hundred thirty-four thousand, five hundred one".

Divisors: 1 7 20061591490643 140431140434501