Search a number
-
+
104781042601 = 3236992
BaseRepresentation
bin110000110010101101…
…1111101001110101001
3101000110101000110201121
41201211123331032221
53204042421330401
6120045153215241
710366400111134
oct1414533751651
9330411013647
10104781042601
114048a192184
1218382b61521
139b5b1a7331
14510000721b
152ad3d3eca1
hex18656fd3a9

104781042601 has 3 divisors (see below), whose sum is σ = 104781366301. Its totient is φ = 104780718902.

The previous prime is 104781042589. The next prime is 104781042637. The reversal of 104781042601 is 106240187401.

It is a happy number.

The square root of 104781042601 is 323699.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 104781042601 - 27 = 104781042473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104781042001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161850 + ... + 485548.

Almost surely, 2104781042601 is an apocalyptic number.

104781042601 is the 323699-th square number.

104781042601 is the 161850-th centered octagonal number.

It is an amenable number.

104781042601 is a deficient number, since it is larger than the sum of its proper divisors (323700).

104781042601 is an frugal number, since it uses more digits than its factorization.

104781042601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647398 (or 323699 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 104781042601 in words is "one hundred four billion, seven hundred eighty-one million, forty-two thousand, six hundred one".

Divisors: 1 323699 104781042601