Search a number
-
+
521001353230424 = 23115920469923073
BaseRepresentation
bin111011001110110010001010…
…0100101100011100001011000
32112022201020120002210210201122
41312131210110211203201120
51021242041232411333144
65044024414550504412
7214512051136136663
oct16635442445434130
92468636502723648
10521001353230424
1114100948446a850
124a525677065108
13194932a83c7b01
14929285873a6da
154037692c027ee
hex1d9d914963858

521001353230424 has 16 divisors (see below), whose sum is σ = 1065684586153320. Its totient is φ = 236818796922880.

The previous prime is 521001353230409. The next prime is 521001353230441. The reversal of 521001353230424 is 424032353100125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960234961449 + ... + 2960234961624.

Almost surely, 2521001353230424 is an apocalyptic number.

It is an amenable number.

521001353230424 is an abundant number, since it is smaller than the sum of its proper divisors (544683232922896).

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

521001353230424 is a wasteful number, since it uses less digits than its factorization.

521001353230424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920469923090 (or 5920469923086 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 521001353230424 in words is "five hundred twenty-one trillion, one billion, three hundred fifty-three million, two hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 5920469923073 11840939846146 23681879692292 47363759384584 65125169153803 130250338307606 260500676615212 521001353230424