Search a number
-
+
1213445455201 = 71642710552709
BaseRepresentation
bin10001101010000110111…
…111000011110101100001
311022000010002201000002201
4101222012333003311201
5124340114014031301
62325241003213201
7153445211120620
oct21520677036541
94260102630081
101213445455201
1142868a363641
12177210517201
138a573054865
1442a340cb6b7
15218702ce201
hex11a86fc3d61

1213445455201 has 8 divisors (see below), whose sum is σ = 1386879359040. Its totient is φ = 1040032689648.

The previous prime is 1213445455171. The next prime is 1213445455247. The reversal of 1213445455201 is 1025545443121.

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 1213445455201 - 213 = 1213445447009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213445458201) 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, 5161366 + ... + 5391343.

It is an arithmetic number, because the mean of its divisors is an integer number (173359919880).

Almost surely, 21213445455201 is an apocalyptic number.

It is an amenable number.

1213445455201 is a deficient number, since it is larger than the sum of its proper divisors (173433903839).

1213445455201 is a wasteful number, since it uses less digits than its factorization.

1213445455201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569143.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 1213445455201 in words is "one trillion, two hundred thirteen billion, four hundred forty-five million, four hundred fifty-five thousand, two hundred one".

Divisors: 1 7 16427 114989 10552709 73868963 173349350743 1213445455201