Search a number
-
+
70444347737 = 1717299239539
BaseRepresentation
bin100000110011011001…
…1110111000101011001
320201211101110122101012
41001212303313011121
52123232223111422
652210042503305
75042451035051
oct1014663670531
9221741418335
1070444347737
1127969aa8105
121179b804b35
1368485156ca
1435a3a42561
151c746344e2
hex1066cf7159

70444347737 has 8 divisors (see below), whose sum is σ = 74592756000. Its totient is φ = 66296453184.

The previous prime is 70444347697. The next prime is 70444347781. The reversal of 70444347737 is 73774344407.

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 70444347737 - 28 = 70444347481 is a prime.

It is a super-2 number, since 2×704443477372 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70444347797) 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, 174314 + ... + 413852.

It is an arithmetic number, because the mean of its divisors is an integer number (9324094500).

Almost surely, 270444347737 is an apocalyptic number.

It is an amenable number.

70444347737 is a deficient number, since it is larger than the sum of its proper divisors (4148408263).

70444347737 is a wasteful number, since it uses less digits than its factorization.

70444347737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256855.

The product of its (nonzero) digits is 5531904, while the sum is 50.

The spelling of 70444347737 in words is "seventy billion, four hundred forty-four million, three hundred forty-seven thousand, seven hundred thirty-seven".

Divisors: 1 17 17299 239539 294083 4072163 4143785161 70444347737