Search a number
-
+
70388334864 = 2432221092
BaseRepresentation
bin100000110001101111…
…0001100000100010000
320201200111001220011100
41001203132030010100
52123123403203424
652200322144400
75041200655161
oct1014336140420
9221614056140
1070388334864
112794041a881
1211784ab2100
136839a334b3
14359a421768
151c6e76cdc9
hex106378c110

70388334864 has 45 divisors (see below), whose sum is σ = 196998486373. Its totient is φ = 23461717056.

The previous prime is 70388334847. The next prime is 70388334881. The reversal of 70388334864 is 46843388307.

The square root of 70388334864 is 265308.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (70388334847) and next prime (70388334881).

It can be written as a sum of positive squares in only one way, i.e., 8447080464 + 61941254400 = 91908^2 + 248880^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70388334864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3172642 + ... + 3194750.

Almost surely, 270388334864 is an apocalyptic number.

70388334864 is the 265308-th square number.

It is an amenable number.

70388334864 is an abundant number, since it is smaller than the sum of its proper divisors (126610151509).

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

70388334864 is an frugal number, since it uses more digits than its factorization.

70388334864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44232 (or 22114 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 70388334864 in words is "seventy billion, three hundred eighty-eight million, three hundred thirty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 22109 44218 66327 88436 132654 176872 198981 265308 353744 397962 530616 795924 1061232 1591848 3183696 488807881 977615762 1466423643 1955231524 2932847286 3910463048 4399270929 5865694572 7820926096 8798541858 11731389144 17597083716 23462778288 35194167432 70388334864