Search a number
-
+
8461890153 = 33595311921
BaseRepresentation
bin1111110000101111…
…00011001001101001
3210211201112120002000
413320113203021221
5114312220441103
63515355401213
7416456610453
oct77027431151
923751476060
108461890153
113652575352
121781a53209
13a4b143ac2
145a3b7d2d3
15347d36aa3
hex1f85e3269

8461890153 has 16 divisors (see below), whose sum is σ = 12748612800. Its totient is φ = 5545644480.

The previous prime is 8461890137. The next prime is 8461890181. The reversal of 8461890153 is 3510981648.

It is not a de Polignac number, because 8461890153 - 24 = 8461890137 is a prime.

It is a super-2 number, since 2×84618901532 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8461890099 and 8461890108.

It is not an unprimeable number, because it can be changed into a prime (8461890053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654368 + ... + 2657553.

It is an arithmetic number, because the mean of its divisors is an integer number (796788300).

Almost surely, 28461890153 is an apocalyptic number.

It is an amenable number.

8461890153 is a deficient number, since it is larger than the sum of its proper divisors (4286722647).

8461890153 is a wasteful number, since it uses less digits than its factorization.

8461890153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311989 (or 5311983 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8461890153 is about 91988.5327255523. The cubic root of 8461890153 is about 2037.7729567594.

The spelling of 8461890153 in words is "eight billion, four hundred sixty-one million, eight hundred ninety thousand, one hundred fifty-three".

Divisors: 1 3 9 27 59 177 531 1593 5311921 15935763 47807289 143421867 313403339 940210017 2820630051 8461890153