Search a number
-
+
105581000746 = 21317323472877
BaseRepresentation
bin110001001010100011…
…1100011100000101010
3101002112010021120000001
41202111013203200222
53212212214010441
6120300411133214
710425252461464
oct1422507434052
9332463246001
10105581000746
114085a7a4611
1218566a4420a
139c57b44150
145178361134
152b2e1a9731
hex18951e382a

105581000746 has 16 divisors (see below), whose sum is σ = 171539792424. Its totient is φ = 48448016064.

The previous prime is 105581000671. The next prime is 105581000753. The reversal of 105581000746 is 647000185501.

It can be written as a sum of positive squares in 4 ways, for example, as 86400135721 + 19180865025 = 293939^2 + 138495^2 .

It is a super-2 number, since 2×1055810007462 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11731941 + ... + 11740936.

Almost surely, 2105581000746 is an apocalyptic number.

105581000746 is a deficient number, since it is larger than the sum of its proper divisors (65958791678).

105581000746 is a wasteful number, since it uses less digits than its factorization.

105581000746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23473065.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 105581000746 in words is "one hundred five billion, five hundred eighty-one million, seven hundred forty-six", and thus it is an aban number.

Divisors: 1 2 13 26 173 346 2249 4498 23472877 46945754 305147401 610294802 4060807721 8121615442 52790500373 105581000746