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2505105987068 = 221234575072831
BaseRepresentation
bin100100011101000011111…
…100111101010111111100
322212111010010212120200202
4210131003330331113330
5312020424113041233
65154455123143032
7345662601361166
oct44350374752774
98774103776622
102505105987068
11886456026a03
1234560ab14a78
131522cc49c669
1489367c83936
154526c000be8
hex24743f3d5fc

2505105987068 has 12 divisors (see below), whose sum is σ = 4383971851392. Its totient is φ = 1252542600960.

The previous prime is 2505105987061. The next prime is 2505105987077. The reversal of 2505105987068 is 8607895015052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505105987061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2042588 + ... + 3030243.

It is an arithmetic number, because the mean of its divisors is an integer number (365330987616).

Almost surely, 22505105987068 is an apocalyptic number.

It is an amenable number.

2505105987068 is a deficient number, since it is larger than the sum of its proper divisors (1878865864324).

2505105987068 is a wasteful number, since it uses less digits than its factorization.

2505105987068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196292 (or 5196290 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 2505105987068 in words is "two trillion, five hundred five billion, one hundred five million, nine hundred eighty-seven thousand, sixty-eight".

Divisors: 1 2 4 123457 246914 493828 5072831 10145662 20291324 626276496767 1252552993534 2505105987068