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2134805500 = 225316132647
BaseRepresentation
bin111111100111110…
…1000101111111100
312111210000100121101
41333033220233330
513333002234000
6551500142444
7103621355512
oct17717505774
95453010541
102134805500
119a6050a73
124b6b37a24
13280386229
1416374a4b2
15c763ee6a
hex7f3e8bfc

2134805500 has 48 divisors (see below), whose sum is σ = 4667068224. Its totient is φ = 853070400.

The previous prime is 2134805479. The next prime is 2134805509. The reversal of 2134805500 is 55084312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134805509) 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, 805177 + ... + 807823.

It is an arithmetic number, because the mean of its divisors is an integer number (97230588).

Almost surely, 22134805500 is an apocalyptic number.

2134805500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134805500 is an abundant number, since it is smaller than the sum of its proper divisors (2532262724).

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

2134805500 is a wasteful number, since it uses less digits than its factorization.

2134805500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2134805500 is about 46203.9554583804. The cubic root of 2134805500 is about 1287.6152283209.

Adding to 2134805500 its reverse (55084312), we get a palindrome (2189889812).

The spelling of 2134805500 in words is "two billion, one hundred thirty-four million, eight hundred five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 1613 2647 3226 5294 6452 8065 10588 13235 16130 26470 32260 40325 52940 66175 80650 132350 161300 201625 264700 330875 403250 661750 806500 1323500 4269611 8539222 17078444 21348055 42696110 85392220 106740275 213480550 426961100 533701375 1067402750 2134805500