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1378612715417 = 7238562811897
BaseRepresentation
bin10100000011111011101…
…110001001111110011001
311212210102220001011112122
4110003323232021332121
5140041344323343132
62533154222551025
7201413210506460
oct24037356117631
94783386034478
101378612715417
11491736a34893
121a3226738475
13a00059b32b2
144aa21da19d7
1525cda711912
hex140fbb89f99

1378612715417 has 8 divisors (see below), whose sum is σ = 1644059884416. Its totient is φ = 1130291170272.

The previous prime is 1378612715407. The next prime is 1378612715461. The reversal of 1378612715417 is 7145172168731.

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

It is a cyclic number.

It is not a de Polignac number, because 1378612715417 - 24 = 1378612715401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378612715407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4281405788 + ... + 4281406109.

It is an arithmetic number, because the mean of its divisors is an integer number (205507485552).

Almost surely, 21378612715417 is an apocalyptic number.

It is an amenable number.

1378612715417 is a deficient number, since it is larger than the sum of its proper divisors (265447168999).

1378612715417 is an equidigital number, since it uses as much as digits as its factorization.

1378612715417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562811927.

The product of its digits is 1975680, while the sum is 53.

The spelling of 1378612715417 in words is "one trillion, three hundred seventy-eight billion, six hundred twelve million, seven hundred fifteen thousand, four hundred seventeen".

Divisors: 1 7 23 161 8562811897 59939683279 196944673631 1378612715417