Search a number
-
+
78026577303061 = 194106661963319
BaseRepresentation
bin10001101111011011111010…
…011011000101011000010101
3101020021021020022220001111201
4101233123322123011120111
540211341412242144221
6433540525331232501
722302143216012662
oct2157337233053025
9336237208801451
1078026577303061
1122952981814532
1289020a6a48731
13346cb4a85129a
14153a713b54a69
159049b4d47891
hex46f6fa6c5615

78026577303061 has 4 divisors (see below), whose sum is σ = 82133239266400. Its totient is φ = 73919915339724.

The previous prime is 78026577303007. The next prime is 78026577303107. The reversal of 78026577303061 is 16030377562087.

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 a cyclic number.

It is not a de Polignac number, because 78026577303061 - 233 = 78017987368469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78026577302993 and 78026577303011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78026577303461) 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, 2053330981641 + ... + 2053330981678.

It is an arithmetic number, because the mean of its divisors is an integer number (20533309816600).

Almost surely, 278026577303061 is an apocalyptic number.

It is an amenable number.

78026577303061 is a deficient number, since it is larger than the sum of its proper divisors (4106661963339).

78026577303061 is a wasteful number, since it uses less digits than its factorization.

78026577303061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106661963338.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 78026577303061 in words is "seventy-eight trillion, twenty-six billion, five hundred seventy-seven million, three hundred three thousand, sixty-one".

Divisors: 1 19 4106661963319 78026577303061