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8103244020 = 2235135054067
BaseRepresentation
bin1111000101111110…
…11011000011110100
3202220201200110001220
413202333123003310
5113043412302040
63420024350340
7404543303064
oct74277330364
922821613056
108103244020
113489085193
1216a19153b0
139c1a51361
1456c2a13a4
153265e12d0
hex1e2fdb0f4

8103244020 has 24 divisors (see below), whose sum is σ = 22689083424. Its totient is φ = 2160865056.

The previous prime is 8103244007. The next prime is 8103244073. The reversal of 8103244020 is 204423018.

It is a congruent number.

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, 67526974 + ... + 67527093.

It is an arithmetic number, because the mean of its divisors is an integer number (945378476).

Almost surely, 28103244020 is an apocalyptic number.

It is an amenable number.

8103244020 is an abundant number, since it is smaller than the sum of its proper divisors (14585839404).

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

8103244020 is a wasteful number, since it uses less digits than its factorization.

8103244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135054079 (or 135054077 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8103244020 is about 90018.0205292251. The cubic root of 8103244020 is about 2008.5669198799.

Adding to 8103244020 its reverse (204423018), we get a palindrome (8307667038).

The spelling of 8103244020 in words is "eight billion, one hundred three million, two hundred forty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 135054067 270108134 405162201 540216268 675270335 810324402 1350540670 1620648804 2025811005 2701081340 4051622010 8103244020