Search a number
-
+
70708101120 = 21936537
BaseRepresentation
bin100000111011010001…
…0000000000000000000
320202111202202201000000
41001312202000000000
52124302233213440
652252144000000
75052132641256
oct1016642000000
9222452681000
1070708101120
1127a94974a08
1211854000000
13688b0621b7
1435caa9c5d6
151c8c883730
hex1076880000

70708101120 has 560 divisors, whose sum is σ = 261309084300. Its totient is φ = 18345885696.

The previous prime is 70708101091. The next prime is 70708101151. The reversal of 70708101120 is 2110180707.

It can be written as a sum of positive squares in 2 ways, for example, as 68988174336 + 1719926784 = 262656^2 + 41472^2 .

It is a super-2 number, since 2×707081011202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1911029742 + ... + 1911029778.

Almost surely, 270708101120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70708101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130654542150).

70708101120 is an abundant number, since it is smaller than the sum of its proper divisors (190600983180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70708101120 is an frugal number, since it uses more digits than its factorization.

70708101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

Adding to 70708101120 its reverse (2110180707), we get a palindrome (72818281827).

The spelling of 70708101120 in words is "seventy billion, seven hundred eight million, one hundred one thousand, one hundred twenty".