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3145150105 = 53128172211
BaseRepresentation
bin1011101101110111…
…0010111010011001
322010012011011211221
42323131302322121
522420124300410
61240031252041
7140640222556
oct27335627231
98105134757
103145150105
11137439a909
1273937a021
133b17a5a86
1421b9cba2d
151361b64da
hexbb772e99

3145150105 has 16 divisors (see below), whose sum is σ = 3909846528. Its totient is φ = 2426256000.

The previous prime is 3145150069. The next prime is 3145150171. The reversal of 3145150105 is 5010515413.

It is a happy number.

It is not a de Polignac number, because 3145150105 - 213 = 3145141913 is a prime.

It is a super-3 number, since 3×31451501053 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145150105.

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, 7450 + ... + 79660.

It is an arithmetic number, because the mean of its divisors is an integer number (244365408).

Almost surely, 23145150105 is an apocalyptic number.

It is an amenable number.

3145150105 is a deficient number, since it is larger than the sum of its proper divisors (764696423).

3145150105 is a wasteful number, since it uses less digits than its factorization.

3145150105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72528.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 3145150105 is about 56081.6378594634. The cubic root of 3145150105 is about 1465.1444999520.

Adding to 3145150105 its reverse (5010515413), we get a palindrome (8155665518).

The spelling of 3145150105 in words is "three billion, one hundred forty-five million, one hundred fifty thousand, one hundred five".

Divisors: 1 5 31 155 281 1405 8711 43555 72211 361055 2238541 11192705 20291291 101456455 629030021 3145150105