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387307183413 = 3129102394471
BaseRepresentation
bin1011010001011010100…
…11101001110100110101
31101000201002210110221210
411220231103221310311
522321201114332123
6453532041032033
736660555511563
oct5505523516465
91330632713853
10387307183413
1113a28a898437
1263090485619
132a6a4ab0c97
1414a6255aa33
15a11c423e93
hex5a2d4e9d35

387307183413 has 4 divisors (see below), whose sum is σ = 516409577888. Its totient is φ = 258204788940.

The previous prime is 387307183409. The next prime is 387307183427. The reversal of 387307183413 is 314381703783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 387307183413 - 22 = 387307183409 is a prime.

It is a super-2 number, since 2×3873071834132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387307183493) 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, 64551197233 + ... + 64551197238.

It is an arithmetic number, because the mean of its divisors is an integer number (129102394472).

Almost surely, 2387307183413 is an apocalyptic number.

It is an amenable number.

387307183413 is a deficient number, since it is larger than the sum of its proper divisors (129102394475).

387307183413 is a wasteful number, since it uses less digits than its factorization.

387307183413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129102394474.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 387307183413 in words is "three hundred eighty-seven billion, three hundred seven million, one hundred eighty-three thousand, four hundred thirteen".

Divisors: 1 3 129102394471 387307183413