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140450353231 = 2313146614787
BaseRepresentation
bin1000001011001101111…
…1100101000001001111
3111102112020010012020111
42002303133211001033
54300120242300411
6144304430300451
713101330206326
oct2026337450117
9442466105214
10140450353231
11546236211a1
1223278657727
1310323c836b6
146b2537d0bd
1539c052e721
hex20b37e504f

140450353231 has 8 divisors (see below), whose sum is σ = 147675648384. Its totient is φ = 133318287960.

The previous prime is 140450353217. The next prime is 140450353247. The reversal of 140450353231 is 132353054041.

140450353231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140450353231 - 27 = 140450353103 is a prime.

It is a super-2 number, since 2×1404503532312 (a number of 23 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 = 140450353193 and 140450353202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140450353261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23304381 + ... + 23310406.

It is an arithmetic number, because the mean of its divisors is an integer number (18459456048).

Almost surely, 2140450353231 is an apocalyptic number.

140450353231 is a deficient number, since it is larger than the sum of its proper divisors (7225295153).

140450353231 is a wasteful number, since it uses less digits than its factorization.

140450353231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46614941.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 140450353231 in words is "one hundred forty billion, four hundred fifty million, three hundred fifty-three thousand, two hundred thirty-one".

Divisors: 1 23 131 3013 46614787 1072140101 6106537097 140450353231