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5212513211530 = 2513730791235711
BaseRepresentation
bin100101111011010000111…
…1111111001010010001010
3200110022102000012211010111
41023312201333321102022
51140400211340232110
615030332344104534
71045406636153332
oct113664177712212
920408360184114
105212513211530
11172a6838aa799
1270227816514a
132ba6cb977601
141404036ba0c2
15908c94dde8a
hex4bda1ff948a

5212513211530 has 32 divisors (see below), whose sum is σ = 9454086512640. Its totient is φ = 2069112366720.

The previous prime is 5212513211527. The next prime is 5212513211561. The reversal of 5212513211530 is 351123152125.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5212513211492 and 5212513211501.

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, 3600375 + ... + 4836085.

It is an arithmetic number, because the mean of its divisors is an integer number (295440203520).

Almost surely, 25212513211530 is an apocalyptic number.

5212513211530 is a deficient number, since it is larger than the sum of its proper divisors (4241573301110).

5212513211530 is a wasteful number, since it uses less digits than its factorization.

5212513211530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238934.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 5212513211530 its reverse (351123152125), we get a palindrome (5563636363655).

The spelling of 5212513211530 in words is "five trillion, two hundred twelve billion, five hundred thirteen million, two hundred eleven thousand, five hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 3079 6158 15395 30790 421823 843646 1235711 2109115 2471422 4218230 6178555 12357110 169292407 338584814 846462035 1692924070 3804754169 7609508338 19023770845 38047541690 521251321153 1042502642306 2606256605765 5212513211530