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140520870401 = 179198994487
BaseRepresentation
bin1000001011011110110…
…0100101001000000001
3111102201010210211121112
42002313230211020001
54300241320323101
6144315425533105
713103144455622
oct2026754451001
9442633724545
10140520870401
115465a40584a
12232981a4195
1310335773732
146b30897a49
1539c680d6bb
hex20b7b25201

140520870401 has 8 divisors (see below), whose sum is σ = 148948721280. Its totient is φ = 132111010368.

The previous prime is 140520870359. The next prime is 140520870439. The reversal of 140520870401 is 104078025041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140520870401 - 214 = 140520854017 is a prime.

It is a super-2 number, since 2×1405208704012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140520870601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481621 + ... + 4512866.

It is an arithmetic number, because the mean of its divisors is an integer number (18618590160).

Almost surely, 2140520870401 is an apocalyptic number.

It is an amenable number.

140520870401 is a deficient number, since it is larger than the sum of its proper divisors (8427850879).

140520870401 is an equidigital number, since it uses as much as digits as its factorization.

140520870401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995423.

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 140520870401 its reverse (104078025041), we get a palindrome (244598895442).

The spelling of 140520870401 in words is "one hundred forty billion, five hundred twenty million, eight hundred seventy thousand, four hundred one".

Divisors: 1 17 919 15623 8994487 152906279 8265933553 140520870401