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3115040180 = 225740155487
BaseRepresentation
bin1011100110101011…
…1011110110110100
322001002111102210112
42321222323312310
522334422241210
61233034042152
7140123255540
oct27152736664
98032442715
103115040180
1113593a487a
1272b279358
133a8492a55
142179d0a20
15133719d05
hexb9abbdb4

3115040180 has 48 divisors (see below), whose sum is σ = 7494875136. Its totient is φ = 1065331200.

The previous prime is 3115040171. The next prime is 3115040183. The reversal of 3115040180 is 810405113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115040183) 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, 28397 + ... + 83883.

It is an arithmetic number, because the mean of its divisors is an integer number (156143232).

Almost surely, 23115040180 is an apocalyptic number.

It is an amenable number.

3115040180 is an abundant number, since it is smaller than the sum of its proper divisors (4379834956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115040180 is a wasteful number, since it uses less digits than its factorization.

3115040180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55904 (or 55902 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 3115040180 is about 55812.5450055810. The cubic root of 3115040180 is about 1460.4540059259.

Adding to 3115040180 its reverse (810405113), we get a palindrome (3925445293).

The spelling of 3115040180 in words is "three billion, one hundred fifteen million, forty thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 401 802 1604 2005 2807 4010 5614 8020 11228 14035 28070 55487 56140 110974 221948 277435 388409 554870 776818 1109740 1553636 1942045 3884090 7768180 22250287 44500574 89001148 111251435 155752009 222502870 311504018 445005740 623008036 778760045 1557520090 3115040180