Search a number
-
+
61342630217 = 1123242460989
BaseRepresentation
bin111001001000010011…
…100100000101001001
312212100001222111011022
4321020103210011021
52001112203131332
644102545242225
74301061516341
oct711023440511
9185301874138
1061342630217
1124019352010
12ba7b633375
135a2796cc3b
142d7cd0dd21
1518e0564212
hexe484e4149

61342630217 has 8 divisors (see below), whose sum is σ = 69828765120. Its totient is φ = 53341417360.

The previous prime is 61342630169. The next prime is 61342630231. The reversal of 61342630217 is 71203624316.

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

It is not a de Polignac number, because 61342630217 - 210 = 61342629193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61342636217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121230242 + ... + 121230747.

It is an arithmetic number, because the mean of its divisors is an integer number (8728595640).

Almost surely, 261342630217 is an apocalyptic number.

It is an amenable number.

61342630217 is a deficient number, since it is larger than the sum of its proper divisors (8486134903).

61342630217 is a wasteful number, since it uses less digits than its factorization.

61342630217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242461023.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 61342630217 in words is "sixty-one billion, three hundred forty-two million, six hundred thirty thousand, two hundred seventeen".

Divisors: 1 11 23 253 242460989 2667070879 5576602747 61342630217