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2123005200 = 243521769171
BaseRepresentation
bin111111010001010…
…0111110100010000
312110221210211122020
41332202213310100
513321442131300
6550355211440
7103416150351
oct17642476420
95427724566
102123005200
1199a421258
124b2ba6b80
1327aab40c4
14161d57d28
15c65ad8a0
hex7e8a7d10

2123005200 has 60 divisors (see below), whose sum is σ = 6800697168. Its totient is φ = 566134400.

The previous prime is 2123005189. The next prime is 2123005231. The reversal of 2123005200 is 25003212.

2123005200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2123005200.

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, 883386 + ... + 885785.

Almost surely, 22123005200 is an apocalyptic number.

2123005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123005200 is an abundant number, since it is smaller than the sum of its proper divisors (4677691968).

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

2123005200 is a wasteful number, since it uses less digits than its factorization.

2123005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769192 (or 1769181 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2123005200 is about 46076.0805624784. The cubic root of 2123005200 is about 1285.2383797739.

Adding to 2123005200 its reverse (25003212), we get a palindrome (2148008412).

The spelling of 2123005200 in words is "two billion, one hundred twenty-three million, five thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 1769171 3538342 5307513 7076684 8845855 10615026 14153368 17691710 21230052 26537565 28306736 35383420 42460104 44229275 53075130 70766840 84920208 88458550 106150260 132687825 141533680 176917100 212300520 265375650 353834200 424601040 530751300 707668400 1061502600 2123005200