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378863625097 = 438810781979
BaseRepresentation
bin1011000001101100000…
…10000010001110001001
31100012220122202021102201
411200312002002032021
522201403042000342
6450014134200201
736241410451516
oct5406602021611
91305818667381
10378863625097
11136747704071
12615147b3061
132995a6b8229
14144a0dd030d
159cc600ddb7
hex5836082389

378863625097 has 4 divisors (see below), whose sum is σ = 387674407120. Its totient is φ = 370052843076.

The previous prime is 378863625073. The next prime is 378863625103. The reversal of 378863625097 is 790526368873.

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, and also an emirpimes, since its reverse is a distinct semiprime: 790526368873 = 2573075978089.

It is a cyclic number.

It is not a de Polignac number, because 378863625097 - 27 = 378863624969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378863625017) 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, 4405390947 + ... + 4405391032.

It is an arithmetic number, because the mean of its divisors is an integer number (96918601780).

Almost surely, 2378863625097 is an apocalyptic number.

It is an amenable number.

378863625097 is a deficient number, since it is larger than the sum of its proper divisors (8810782023).

378863625097 is an equidigital number, since it uses as much as digits as its factorization.

378863625097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810782022.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 378863625097 in words is "three hundred seventy-eight billion, eight hundred sixty-three million, six hundred twenty-five thousand, ninety-seven".

Divisors: 1 43 8810781979 378863625097