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104771125397 = 621911684667
BaseRepresentation
bin110000110010011011…
…0001000000010010101
3101000102200100121212202
41201210312020002111
53204032402003042
6120044200454245
710366216605041
oct1414466100225
9330380317782
10104771125397
1140484629244
121837b77a385
139b59114373
1450dc985021
152ad3031632
hex1864d88095

104771125397 has 4 divisors (see below), whose sum is σ = 104772872256. Its totient is φ = 104769378540.

The previous prime is 104771125343. The next prime is 104771125439. The reversal of 104771125397 is 793521177401.

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: 793521177401 = 6285611262441.

It is a cyclic number.

It is not a de Polignac number, because 104771125397 - 28 = 104771125141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104771125097) 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, 780143 + ... + 904524.

It is an arithmetic number, because the mean of its divisors is an integer number (26193218064).

Almost surely, 2104771125397 is an apocalyptic number.

It is an amenable number.

104771125397 is a deficient number, since it is larger than the sum of its proper divisors (1746859).

104771125397 is an equidigital number, since it uses as much as digits as its factorization.

104771125397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746858.

The product of its (nonzero) digits is 370440, while the sum is 47.

The spelling of 104771125397 in words is "one hundred four billion, seven hundred seventy-one million, one hundred twenty-five thousand, three hundred ninety-seven".

Divisors: 1 62191 1684667 104771125397