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1513213505 = 51701117791
BaseRepresentation
bin101101000110001…
…1100111001000001
310220110101012200122
41122030130321001
511044340313010
6410053230025
752333050116
oct13214347101
93813335618
101513213505
11707195781
12362932315
131b166a70b
14104d8290d
158cca9855
hex5a31ce41

1513213505 has 8 divisors (see below), whose sum is σ = 1816065024. Its totient is φ = 1210431600.

The previous prime is 1513213487. The next prime is 1513213549. The reversal of 1513213505 is 5053123151.

It is a happy number.

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

It is not a de Polignac number, because 1513213505 - 214 = 1513197121 is a prime.

It is a super-2 number, since 2×15132135052 = 4579630223428770050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76160 + ... + 93950.

It is an arithmetic number, because the mean of its divisors is an integer number (227008128).

Almost surely, 21513213505 is an apocalyptic number.

It is an amenable number.

1513213505 is a deficient number, since it is larger than the sum of its proper divisors (302851519).

1513213505 is a wasteful number, since it uses less digits than its factorization.

1513213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34807.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1513213505 is about 38900.0450513878. The cubic root of 1513213505 is about 1148.0656846378.

Adding to 1513213505 its reverse (5053123151), we get a palindrome (6566336656).

The spelling of 1513213505 in words is "one billion, five hundred thirteen million, two hundred thirteen thousand, five hundred five".

Divisors: 1 5 17011 17791 85055 88955 302642701 1513213505