Search a number
-
+
3061800090 = 232534020001
BaseRepresentation
bin1011011001111111…
…0101110010011010
321220101022120010100
42312133311302122
522232310100330
61223453000230
7135605604606
oct26637656232
97811276110
103061800090
1113313407a8
12715483076
1339a44193b
142108d2506
1512dc00060
hexb67f5c9a

3061800090 has 24 divisors (see below), whose sum is σ = 7960680468. Its totient is φ = 816480000.

The previous prime is 3061800073. The next prime is 3061800107. The reversal of 3061800090 is 900081603.

It is an interprime number because it is at equal distance from previous prime (3061800073) and next prime (3061800107).

It can be written as a sum of positive squares in 2 ways, for example, as 2995263441 + 66536649 = 54729^2 + 8157^2 .

It is a super-2 number, since 2×30618000902 = 18749239582248016200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17009911 + ... + 17010090.

Almost surely, 23061800090 is an apocalyptic number.

3061800090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3061800090 is an abundant number, since it is smaller than the sum of its proper divisors (4898880378).

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

3061800090 is a wasteful number, since it uses less digits than its factorization.

3061800090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020014 (or 34020011 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3061800090 is about 55333.5349494319. The cubic root of 3061800090 is about 1452.0857956499.

Adding to 3061800090 its reverse (900081603), we get a palindrome (3961881693).

The spelling of 3061800090 in words is "three billion, sixty-one million, eight hundred thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 34020001 68040002 102060003 170100005 204120006 306180009 340200010 510300015 612360018 1020600030 1530900045 3061800090