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2742025521 = 31038873869
BaseRepresentation
bin1010001101101111…
…1111110100110001
321002002121022212210
42203123333310301
521103424304041
61132031042333
7124643555334
oct24333776461
97062538783
102742025521
1111878903a4
126463703a9
1334910c211
141c025261b
15110ad7016
hexa36ffd31

2742025521 has 8 divisors (see below), whose sum is σ = 3691529920. Its totient is φ = 1810269072.

The previous prime is 2742025513. The next prime is 2742025537. The reversal of 2742025521 is 1255202472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2742025521 - 23 = 2742025513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742025541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436626 + ... + 4437243.

It is an arithmetic number, because the mean of its divisors is an integer number (461441240).

Almost surely, 22742025521 is an apocalyptic number.

It is an amenable number.

2742025521 is a deficient number, since it is larger than the sum of its proper divisors (949504399).

2742025521 is a wasteful number, since it uses less digits than its factorization.

2742025521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873975.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2742025521 is about 52364.3535336779. The cubic root of 2742025521 is about 1399.6641236775.

Adding to 2742025521 its reverse (1255202472), we get a palindrome (3997227993).

The spelling of 2742025521 in words is "two billion, seven hundred forty-two million, twenty-five thousand, five hundred twenty-one".

Divisors: 1 3 103 309 8873869 26621607 914008507 2742025521