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153394748442 = 232134673140281
BaseRepresentation
bin1000111011011100001…
…0100001110000011010
3112122221100021121021100
42032313002201300122
510003123023422232
6154245113452230
714040156564015
oct2166702416032
9478840247240
10153394748442
115a066377981
122588b711076
1311607986b50
1475d259237c
153ecbb4ac7c
hex23b70a1c1a

153394748442 has 48 divisors (see below), whose sum is σ = 358000225128. Its totient is φ = 47187947520.

The previous prime is 153394748413. The next prime is 153394748459. The reversal of 153394748442 is 244847493351.

153394748442 is a `hidden beast` number, since 1 + 5 + 33 + 94 + 7 + 484 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 150762134961 + 2632613481 = 388281^2 + 51309^2 .

It is a super-2 number, since 2×1533947484422 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023342 + ... + 1163622.

Almost surely, 2153394748442 is an apocalyptic number.

153394748442 is an abundant number, since it is smaller than the sum of its proper divisors (204605476686).

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

153394748442 is a wasteful number, since it uses less digits than its factorization.

153394748442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144975 (or 144972 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 153394748442 in words is "one hundred fifty-three billion, three hundred ninety-four million, seven hundred forty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 4673 9346 14019 28038 42057 60749 84114 121498 140281 182247 280562 364494 420843 546741 841686 1093482 1262529 1823653 2525058 3647306 5470959 10941918 16412877 32825754 655533113 1311066226 1966599339 3933198678 5899798017 8521930469 11799596034 17043860938 25565791407 51131582814 76697374221 153394748442