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2508674578421 = 11372612730979
BaseRepresentation
bin100100100000011000101…
…010000011011111110101
322212211022211210210201212
4210200120222003133311
5312100231143002141
65200245202331205
7346150203036464
oct44403052033765
98784284723655
102508674578421
11887a17442460
12346246059b05
1315274a90358b
14895c5bb89db
15453ca45b2eb
hex24818a837f5

2508674578421 has 24 divisors (see below), whose sum is σ = 2858811711840. Its totient is φ = 2182597617600.

The previous prime is 2508674578409. The next prime is 2508674578477. The reversal of 2508674578421 is 1248754768052.

It is a de Polignac number, because none of the positive numbers 2k-2508674578421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508674578621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446891 + ... + 2284088.

It is an arithmetic number, because the mean of its divisors is an integer number (119117154660).

Almost surely, 22508674578421 is an apocalyptic number.

It is an amenable number.

2508674578421 is a deficient number, since it is larger than the sum of its proper divisors (350137133419).

2508674578421 is a wasteful number, since it uses less digits than its factorization.

2508674578421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731125 (or 2731088 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 59.

The spelling of 2508674578421 in words is "two trillion, five hundred eight billion, six hundred seventy-four million, five hundred seventy-eight thousand, four hundred twenty-one".

Divisors: 1 11 37 61 407 671 1369 2257 15059 24827 83509 918599 2730979 30040769 101046223 166589719 1111508453 1832486909 3738710251 6163819603 41125812761 67802015633 228061325311 2508674578421