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140120211142231 = 538739260089229
BaseRepresentation
bin11111110111000001000111…
…011010010011011001010111
3200101010100202102201021210021
4133313001013122103121113
5121331212143023022411
61214002200353010011
741341231312113355
oct3767010732233127
9611110672637707
10140120211142231
1140712714299681
121387029b253907
1360253825837a8
142685bd66b67d5
15112ecacc9ca71
hex7f7047693657

140120211142231 has 4 divisors (see below), whose sum is σ = 140120471770200. Its totient is φ = 140119950514264.

The previous prime is 140120211142229. The next prime is 140120211142259. The reversal of 140120211142231 is 132241112021041.

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 140120211142231 - 21 = 140120211142229 is a prime.

It is a super-2 number, since 2×1401202111422312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140120211142196 and 140120211142205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140120211142931) 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, 129505876 + ... + 130583353.

It is an arithmetic number, because the mean of its divisors is an integer number (35030117942550).

Almost surely, 2140120211142231 is an apocalyptic number.

140120211142231 is a deficient number, since it is larger than the sum of its proper divisors (260627969).

140120211142231 is an equidigital number, since it uses as much as digits as its factorization.

140120211142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260627968.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 140120211142231 its reverse (132241112021041), we get a palindrome (272361323163272).

The spelling of 140120211142231 in words is "one hundred forty trillion, one hundred twenty billion, two hundred eleven million, one hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 538739 260089229 140120211142231