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213051031143235 = 5131647787763823
BaseRepresentation
bin110000011100010011001111…
…000001111100001101000011
31000221100110221200020021001221
4300130103033001330031003
5210411112002433040420
62033042143104335511
762606300106542365
oct6034231701741503
91027313850207057
10213051031143235
116198048694028a
121ba8a873314597
1391b581a50962c
143a87a212b2d35
151996e2d89ecaa
hexc1c4cf07c343

213051031143235 has 32 divisors (see below), whose sum is σ = 258047813117952. Its totient is φ = 168854243226240.

The previous prime is 213051031143173. The next prime is 213051031143331. The reversal of 213051031143235 is 532341130150312.

It is not a de Polignac number, because 213051031143235 - 227 = 213050896925507 is a prime.

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 213051031143235.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3338122534 + ... + 3338186356.

It is an arithmetic number, because the mean of its divisors is an integer number (8063994159936).

Almost surely, 2213051031143235 is an apocalyptic number.

213051031143235 is a deficient number, since it is larger than the sum of its proper divisors (44996781974717).

213051031143235 is a wasteful number, since it uses less digits than its factorization.

213051031143235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72483.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 213051031143235 its reverse (532341130150312), we get a palindrome (745392161293547).

The spelling of 213051031143235 in words is "two hundred thirteen trillion, fifty-one billion, thirty-one million, one hundred forty-three thousand, two hundred thirty-five".

Divisors: 1 5 131 647 655 3235 7877 39385 63823 84757 319115 423785 1031887 5096419 5159435 8360813 25482095 41293481 41804065 206467405 502733771 667630889 2513668855 3338154445 5409446011 27047230055 65858124001 325268749837 329290620005 1626343749185 42610206228647 213051031143235