Search a number
-
+
140420203031201 = 4123331468016717
BaseRepresentation
bin11111111011011000100000…
…010100100010101010100001
3200102012001002101101020021212
4133323120200110202222201
5121401121033433444301
61214352052320155505
741402011351104512
oct3773304024425241
9612161071336255
10140420203031201
1140818967955a45
12138ba461a68b95
136047750802572
142696534706a09
1511379b98a84bb
hex7fb620522aa1

140420203031201 has 8 divisors (see below), whose sum is σ = 143906742832104. Its totient is φ = 136936599268480.

The previous prime is 140420203031189. The next prime is 140420203031231. The reversal of 140420203031201 is 102130302024041.

It can be written as a sum of positive squares in 4 ways, for example, as 13487983414801 + 126932219616400 = 3672599^2 + 11266420^2 .

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 140420203031201 - 26 = 140420203031137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140420203031231) 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, 733912706 + ... + 734104011.

It is an arithmetic number, because the mean of its divisors is an integer number (17988342854013).

Almost surely, 2140420203031201 is an apocalyptic number.

It is an amenable number.

140420203031201 is a deficient number, since it is larger than the sum of its proper divisors (3486539800903).

140420203031201 is a wasteful number, since it uses less digits than its factorization.

140420203031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468019091.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 140420203031201 its reverse (102130302024041), we get a palindrome (242550505055242).

The spelling of 140420203031201 in words is "one hundred forty trillion, four hundred twenty billion, two hundred three million, thirty-one thousand, two hundred one".

Divisors: 1 41 2333 95653 1468016717 60188685397 3424883000761 140420203031201