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5431132215 = 345107125329
BaseRepresentation
bin1010000111011100…
…01000000000110111
3112000111122002210000
411003232020000313
542110332212330
62254532002343
7251405601465
oct50356100067
915014562700
105431132215
112337807023
121076a603b3
13687280602
1439744b835
1521bc19560
hex143b88037

5431132215 has 40 divisors (see below), whose sum is σ = 9826874640. Its totient is φ = 2869509888.

The previous prime is 5431132207. The next prime is 5431132249. The reversal of 5431132215 is 5122311345.

5431132215 is a `hidden beast` number, since 5 + 431 + 1 + 3 + 221 + 5 = 666.

It is not a de Polignac number, because 5431132215 - 23 = 5431132207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19330 + ... + 105999.

It is an arithmetic number, because the mean of its divisors is an integer number (245671866).

Almost surely, 25431132215 is an apocalyptic number.

5431132215 is a deficient number, since it is larger than the sum of its proper divisors (4395742425).

5431132215 is a wasteful number, since it uses less digits than its factorization.

5431132215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125453 (or 125444 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5431132215 is about 73696.2157440937. The cubic root of 5431132215 is about 1757.7757084353.

The spelling of 5431132215 in words is "five billion, four hundred thirty-one million, one hundred thirty-two thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 27 45 81 107 135 321 405 535 963 1605 2889 4815 8667 14445 43335 125329 375987 626645 1127961 1879935 3383883 5639805 10151649 13410203 16919415 40230609 50758245 67051015 120691827 201153045 362075481 603459135 1086226443 1810377405 5431132215