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2010253451531 = 13154634880887
BaseRepresentation
bin11101010000001100011…
…100010110000100001011
321010011211000112011020012
4131100030130112010023
5230413444340422111
64135255300022135
7265143645255533
oct35201434260413
97104730464205
102010253451531
117055a8736776
1228572599194b
13117748902260
146d42254a4c3
153745825248b
hex1d40c71610b

2010253451531 has 4 divisors (see below), whose sum is σ = 2164888332432. Its totient is φ = 1855618570632.

The previous prime is 2010253451513. The next prime is 2010253451581. The reversal of 2010253451531 is 1351543520102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2010253451531 is a prime.

It is a super-2 number, since 2×20102534515312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010253451581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77317440431 + ... + 77317440456.

It is an arithmetic number, because the mean of its divisors is an integer number (541222083108).

Almost surely, 22010253451531 is an apocalyptic number.

2010253451531 is a deficient number, since it is larger than the sum of its proper divisors (154634880901).

2010253451531 is a wasteful number, since it uses less digits than its factorization.

2010253451531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154634880900.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 2010253451531 its reverse (1351543520102), we get a palindrome (3361796971633).

The spelling of 2010253451531 in words is "two trillion, ten billion, two hundred fifty-three million, four hundred fifty-one thousand, five hundred thirty-one".

Divisors: 1 13 154634880887 2010253451531