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70300810449 = 3231228512
BaseRepresentation
bin100000101111001000…
…0010011110011010001
320201110101101012020100
41001132100103303101
52122434001413244
652143514203013
75036056013022
oct1013620236321
9221411335210
1070300810449
11278a5a7a451
121175b723469
13682486a2bc
14358c95ac49
151c66c2eb69
hex105e413cd1

70300810449 has 27 divisors (see below), whose sum is σ = 104963763177. Its totient is φ = 45339453000.

The previous prime is 70300810441. The next prime is 70300810451. The reversal of 70300810449 is 94401800307.

It is a happy number.

The square root of 70300810449 is 265143.

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

It is not a de Polignac number, because 70300810449 - 23 = 70300810441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70300810441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24656874 + ... + 24659724.

Almost surely, 270300810449 is an apocalyptic number.

70300810449 is the 265143-rd square number.

70300810449 is the 132572-nd centered octagonal number.

It is an amenable number.

70300810449 is a deficient number, since it is larger than the sum of its proper divisors (34662952728).

70300810449 is an frugal number, since it uses more digits than its factorization.

70300810449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Multiplying 70300810449 by its sum of digits (36), we get a square (2530829176164 = 15908582).

The spelling of 70300810449 in words is "seventy billion, three hundred million, eight hundred ten thousand, four hundred forty-nine".

Divisors: 1 3 9 31 93 279 961 2851 2883 8553 8649 25659 88381 265143 795429 2739811 8128201 8219433 24384603 24658299 73153809 251974231 755922693 2267768079 7811201161 23433603483 70300810449