Search a number
-
+
70212121566601 = 748720596104889
BaseRepresentation
bin11111111011011100010001…
…00100001001110110001001
3100012121012202110202211200011
433331232020210021312021
533200323411110112401
6405155000420511521
720534441553141250
oct1775561044116611
9305535673684604
1070212121566601
112040a88021a763
127a5b6b554b5a1
133023c894126a1
14134a3db76b797
1581b5a2200451
hex3fdb88909d89

70212121566601 has 8 divisors (see below), whose sum is σ = 80407193490560. Its totient is φ = 60058241853408.

The previous prime is 70212121566551. The next prime is 70212121566607. The reversal of 70212121566601 is 10666512121207.

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 70212121566601 - 29 = 70212121566089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70212121566607) 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, 10298049036 + ... + 10298055853.

It is an arithmetic number, because the mean of its divisors is an integer number (10050899186320).

Almost surely, 270212121566601 is an apocalyptic number.

It is an amenable number.

70212121566601 is a deficient number, since it is larger than the sum of its proper divisors (10195071923959).

70212121566601 is a wasteful number, since it uses less digits than its factorization.

70212121566601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20596105383.

The product of its (nonzero) digits is 60480, while the sum is 40.

Adding to 70212121566601 its reverse (10666512121207), we get a palindrome (80878633687808).

The spelling of 70212121566601 in words is "seventy trillion, two hundred twelve billion, one hundred twenty-one million, five hundred sixty-six thousand, six hundred one".

Divisors: 1 7 487 3409 20596104889 144172734223 10030303080943 70212121566601