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30504142452 = 22371991824847
BaseRepresentation
bin11100011010001100…
…000100011001110100
32220201212220222210210
4130122030010121310
5444433030024302
622002521345420
72126630634630
oct343214043164
986655828723
1030504142452
1111a3387a793
125ab3938270
132b5196a844
14169539bdc0
15bd800e66c
hex71a304674

30504142452 has 48 divisors (see below), whose sum is σ = 81753190400. Its totient is φ = 8671668192.

The previous prime is 30504142447. The next prime is 30504142499. The reversal of 30504142452 is 25424140503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895708 + ... + 929139.

Almost surely, 230504142452 is an apocalyptic number.

It is an amenable number.

30504142452 is an abundant number, since it is smaller than the sum of its proper divisors (51249047948).

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

30504142452 is a wasteful number, since it uses less digits than its factorization.

30504142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825060 (or 1825058 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 30504142452 its reverse (25424140503), we get a palindrome (55928282955).

The spelling of 30504142452 in words is "thirty billion, five hundred four million, one hundred forty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 199 398 597 796 1194 1393 2388 2786 4179 5572 8358 16716 1824847 3649694 5474541 7299388 10949082 12773929 21898164 25547858 38321787 51095716 76643574 153287148 363144553 726289106 1089433659 1452578212 2178867318 2542011871 4357734636 5084023742 7626035613 10168047484 15252071226 30504142452