Search a number
-
+
61105000715 = 5111636815951
BaseRepresentation
bin111000111010001001…
…000101000100001011
312211201111211122202122
4320322021011010023
52000120340010330
644023220121455
74262144636063
oct707211050413
9184644748678
1061105000715
1123a071a84a0
12ba13b3628b
1359ba66c075
142d595343a3
1518c97755e5
hexe3a24510b

61105000715 has 16 divisors (see below), whose sum is σ = 80482761216. Its totient is φ = 44167356000.

The previous prime is 61105000699. The next prime is 61105000721. The reversal of 61105000715 is 51700050116.

It is not a de Polignac number, because 61105000715 - 24 = 61105000699 is a prime.

It is a super-2 number, since 2×611050007152 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3399011 + ... + 3416940.

It is an arithmetic number, because the mean of its divisors is an integer number (5030172576).

Almost surely, 261105000715 is an apocalyptic number.

61105000715 is a deficient number, since it is larger than the sum of its proper divisors (19377760501).

61105000715 is a wasteful number, since it uses less digits than its factorization.

61105000715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816130.

The product of its (nonzero) digits is 1050, while the sum is 26.

The spelling of 61105000715 in words is "sixty-one billion, one hundred five million, seven hundred fifteen", and thus it is an aban number.

Divisors: 1 5 11 55 163 815 1793 8965 6815951 34079755 74975461 374877305 1111000013 5555000065 12221000143 61105000715