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2512331213530 = 25251233121353
BaseRepresentation
bin100100100011110010100…
…111000000101011011010
322220011202200102010002211
4210203302213000223122
5312130223242313110
65202052104545334
7346336623652315
oct44436247005332
98804680363084
102512331213530
11889523523546
12346aa678224a
13152bb1352ba8
14898516ab97c
15455414a898a
hex248f29c0ada

2512331213530 has 8 divisors (see below), whose sum is σ = 4522196184372. Its totient is φ = 1004932485408.

The previous prime is 2512331213471. The next prime is 2512331213537. The reversal of 2512331213530 is 353121332152.

It can be written as a sum of positive squares in 2 ways, for example, as 2243863190209 + 268468023321 = 1497953^2 + 518139^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2512331213492 and 2512331213501.

It is not an unprimeable number, because it can be changed into a prime (2512331213537) 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 3 ways as a sum of consecutive naturals, for example, 125616560667 + ... + 125616560686.

Almost surely, 22512331213530 is an apocalyptic number.

2512331213530 is a deficient number, since it is larger than the sum of its proper divisors (2009864970842).

2512331213530 is a wasteful number, since it uses less digits than its factorization.

2512331213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251233121360.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 2512331213530 its reverse (353121332152), we get a palindrome (2865452545682).

The spelling of 2512331213530 in words is "two trillion, five hundred twelve billion, three hundred thirty-one million, two hundred thirteen thousand, five hundred thirty".

Divisors: 1 2 5 10 251233121353 502466242706 1256165606765 2512331213530