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2530780505 = 511236132797
BaseRepresentation
bin1001011011011000…
…1010010101011001
320112101002222012022
42112312022111121
520140334434010
61055043224225
7116500164551
oct22666122531
96471088168
102530780505
111089617940
125a7678075
13314418776
141a0184161
15ec2aad55
hex96d8a559

2530780505 has 32 divisors (see below), whose sum is σ = 3513846528. Its totient is φ = 1731628800.

The previous prime is 2530780493. The next prime is 2530780517. The reversal of 2530780505 is 5050870352.

2530780505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2530780493) and next prime (2530780517).

It is not a de Polignac number, because 2530780505 - 24 = 2530780489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60767 + ... + 93563.

It is an arithmetic number, because the mean of its divisors is an integer number (109807704).

Almost surely, 22530780505 is an apocalyptic number.

It is an amenable number.

2530780505 is a deficient number, since it is larger than the sum of its proper divisors (983066023).

2530780505 is a wasteful number, since it uses less digits than its factorization.

2530780505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32897.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2530780505 is about 50306.8633985463. The cubic root of 2530780505 is about 1362.7561797565.

The spelling of 2530780505 in words is "two billion, five hundred thirty million, seven hundred eighty thousand, five hundred five".

Divisors: 1 5 11 23 55 61 115 253 305 671 1265 1403 3355 7015 15433 32797 77165 163985 360767 754331 1803835 2000617 3771655 8297641 10003085 22006787 41488205 46014191 110033935 230070955 506156101 2530780505