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2531755013 = 291993071429
BaseRepresentation
bin1001011011100111…
…1000010000000101
320112102221110222012
42112321320100011
520141112130023
61055120144005
7116511363644
oct22671702005
96472843865
102531755013
11108a123017
125a7a68005
1331469a1b8
141a035935b
15ec3ee978
hex96e78405

2531755013 has 16 divisors (see below), whose sum is σ = 2642640000. Its totient is φ = 2422550592.

The previous prime is 2531755003. The next prime is 2531755019. The reversal of 2531755013 is 3105571352.

It is a cyclic number.

It is not a de Polignac number, because 2531755013 - 224 = 2514977797 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 (2531755019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770983 + ... + 1772411.

It is an arithmetic number, because the mean of its divisors is an integer number (165165000).

Almost surely, 22531755013 is an apocalyptic number.

It is an amenable number.

2531755013 is a deficient number, since it is larger than the sum of its proper divisors (110884987).

2531755013 is a wasteful number, since it uses less digits than its factorization.

2531755013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 2531755013 is about 50316.5481029850. The cubic root of 2531755013 is about 1362.9310726241.

The spelling of 2531755013 in words is "two billion, five hundred thirty-one million, seven hundred fifty-five thousand, thirteen".

Divisors: 1 29 199 307 1429 5771 8903 41441 61093 284371 438703 1771697 8246759 12722387 87301897 2531755013