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2520213087 = 37313383419
BaseRepresentation
bin1001011000110111…
…0110011001011111
320111122020002102110
42112031312121133
520130133304322
61054024525103
7116311313010
oct22615663137
96448202373
102520213087
11108365a437
125a4020793
13312188862
1419c9d3007
15eb3bec0c
hex9637665f

2520213087 has 16 divisors (see below), whose sum is σ = 3852604160. Its totient is φ = 1435516992.

The previous prime is 2520213077. The next prime is 2520213097. The reversal of 2520213087 is 7803120252.

It is an interprime number because it is at equal distance from previous prime (2520213077) and next prime (2520213097).

It is not a de Polignac number, because 2520213087 - 26 = 2520213023 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 (2520213037) 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 15 ways as a sum of consecutive naturals, for example, 185137 + ... + 198282.

It is an arithmetic number, because the mean of its divisors is an integer number (240787760).

Almost surely, 22520213087 is an apocalyptic number.

2520213087 is a deficient number, since it is larger than the sum of its proper divisors (1332391073).

2520213087 is a wasteful number, since it uses less digits than its factorization.

2520213087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383742.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2520213087 is about 50201.7239445021. The cubic root of 2520213087 is about 1360.8567782889.

The spelling of 2520213087 in words is "two billion, five hundred twenty million, two hundred thirteen thousand, eighty-seven".

Divisors: 1 3 7 21 313 939 2191 6573 383419 1150257 2683933 8051799 120010147 360030441 840071029 2520213087