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11031500215 = 518112189503
BaseRepresentation
bin10100100011000011…
…10101010110110111
31001110210201021102001
422101201311112313
5140043031001330
65022351200131
7540241130131
oct122141652667
931423637361
1011031500215
114750aa342a
12217a516047
13106a606428
14769150051
154487129ca
hex2918755b7

11031500215 has 8 divisors (see below), whose sum is σ = 13310938368. Its totient is φ = 8776441440.

The previous prime is 11031500213. The next prime is 11031500239. The reversal of 11031500215 is 51200513011.

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

It is not a de Polignac number, because 11031500215 - 21 = 11031500213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031500192 and 11031500201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031500213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6093847 + ... + 6095656.

It is an arithmetic number, because the mean of its divisors is an integer number (1663867296).

Almost surely, 211031500215 is an apocalyptic number.

11031500215 is a deficient number, since it is larger than the sum of its proper divisors (2279438153).

11031500215 is a wasteful number, since it uses less digits than its factorization.

11031500215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189689.

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 11031500215 in words is "eleven billion, thirty-one million, five hundred thousand, two hundred fifteen".

Divisors: 1 5 181 905 12189503 60947515 2206300043 11031500215