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2103235648 = 261736689
BaseRepresentation
bin111110101011100…
…1101010001000000
312102120121102220121
41331113031101000
513301412020043
6544411350024
7103056131233
oct17527152100
95376542817
102103235648
1198a249088
124a8452314
13276981847
1415d48d41a
15c49a5ded
hex7d5cd440

2103235648 has 56 divisors (see below), whose sum is σ = 4435068600. Its totient is φ = 989609984.

The previous prime is 2103235619. The next prime is 2103235657. The reversal of 2103235648 is 8465323012.

It can be written as a sum of positive squares in 4 ways, for example, as 722964544 + 1380271104 = 26888^2 + 37152^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 311088 + ... + 317776.

Almost surely, 22103235648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103235648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217534300).

2103235648 is an abundant number, since it is smaller than the sum of its proper divisors (2331832952).

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

2103235648 is an frugal number, since it uses more digits than its factorization.

2103235648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752 (or 6708 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2103235648 is about 45861.0471751355. The cubic root of 2103235648 is about 1281.2365264401.

The spelling of 2103235648 in words is "two billion, one hundred three million, two hundred thirty-five thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 289 544 578 1088 1156 2312 4624 4913 6689 9248 9826 13378 18496 19652 26756 39304 53512 78608 107024 113713 157216 214048 227426 314432 428096 454852 909704 1819408 1933121 3638816 3866242 7277632 7732484 15464968 30929936 32863057 61859872 65726114 123719744 131452228 262904456 525808912 1051617824 2103235648