Search a number
-
+
61231114646 = 2133836148937
BaseRepresentation
bin111001000001101010…
…001010100110010110
312212001022010220112222
4321001222022212112
52000400131132041
644043523142342
74265235613142
oct710152124626
9185038126488
1061231114646
1123a71405789
12ba4a2149b2
135a0a826ab0
142d6c1a2222
1518d588774b
hexe41a8a996

61231114646 has 16 divisors (see below), whose sum is σ = 99170072064. Its totient is φ = 28186722624.

The previous prime is 61231114601. The next prime is 61231114649. The reversal of 61231114646 is 64641113216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61231114649) 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, 3064511 + ... + 3084426.

It is an arithmetic number, because the mean of its divisors is an integer number (6198129504).

Almost surely, 261231114646 is an apocalyptic number.

61231114646 is a deficient number, since it is larger than the sum of its proper divisors (37938957418).

61231114646 is a wasteful number, since it uses less digits than its factorization.

61231114646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149335.

The product of its digits is 20736, while the sum is 35.

The spelling of 61231114646 in words is "sixty-one billion, two hundred thirty-one million, one hundred fourteen thousand, six hundred forty-six".

Divisors: 1 2 13 26 383 766 4979 9958 6148937 12297874 79936181 159872362 2355042871 4710085742 30615557323 61231114646