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3135145207 = 14921041243
BaseRepresentation
bin1011101011011110…
…1000010011110111
322002111022212201011
42322313220103313
522410044121312
61235033013051
7140456203015
oct27267502367
98074285634
103135145207
111369786aa7
12735b54187
133ac6b1c0c
1421a5458b5
1513538bda7
hexbade84f7

3135145207 has 4 divisors (see below), whose sum is σ = 3156186600. Its totient is φ = 3114103816.

The previous prime is 3135145183. The next prime is 3135145259. The reversal of 3135145207 is 7025415313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3135145207 - 215 = 3135112439 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135145267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10520473 + ... + 10520770.

It is an arithmetic number, because the mean of its divisors is an integer number (789046650).

Almost surely, 23135145207 is an apocalyptic number.

3135145207 is a deficient number, since it is larger than the sum of its proper divisors (21041393).

3135145207 is a wasteful number, since it uses less digits than its factorization.

3135145207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21041392.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 3135145207 is about 55992.3673994947. The cubic root of 3135145207 is about 1463.5892808991.

The spelling of 3135145207 in words is "three billion, one hundred thirty-five million, one hundred forty-five thousand, two hundred seven".

Divisors: 1 149 21041243 3135145207