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140221122230201 = 461809375979349
BaseRepresentation
bin11111111000011111000110…
…001011100011011110111001
3200101111000020002201200202212
4133320133012023203132321
5121334340324242331301
61214120405543504505
741351433061161125
oct3770370613433671
9611430202650685
10140221122230201
1140751497a3a641
1213887962158135
136031a44a6c72c
14268aa4a73c585
151132716ea44bb
hex7f87c62e37b9

140221122230201 has 8 divisors (see below), whose sum is σ = 140698992357000. Its totient is φ = 139744004064640.

The previous prime is 140221122230197. The next prime is 140221122230207. The reversal of 140221122230201 is 102032221122041.

It can be written as a sum of positive squares in 4 ways, for example, as 3617014404025 + 136604107826176 = 1901845^2 + 11687776^2 .

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 140221122230201 - 22 = 140221122230197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140221122230207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187616726 + ... + 188362623.

It is an arithmetic number, because the mean of its divisors is an integer number (17587374044625).

Almost surely, 2140221122230201 is an apocalyptic number.

It is an amenable number.

140221122230201 is a deficient number, since it is larger than the sum of its proper divisors (477870126799).

140221122230201 is an equidigital number, since it uses as much as digits as its factorization.

140221122230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375980619.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140221122230201 its reverse (102032221122041), we get a palindrome (242253343352242).

The spelling of 140221122230201 in words is "one hundred forty trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thirty thousand, two hundred one".

Divisors: 1 461 809 372949 375979349 173326479889 304167293341 140221122230201