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205114300400 = 24521134537927
BaseRepresentation
bin1011111100000111000…
…0111101011111110000
3201121102202202001201202
42333001300331133300
511330033230103100
6234121143150332
720550631533542
oct2770160753760
9647382661652
10205114300400
1179a96747849
12339044453a8
131645aa5a629
149cdb417692
1555074577d5
hex2fc1c3d7f0

205114300400 has 60 divisors (see below), whose sum is σ = 497148164112. Its totient is φ = 81319633920.

The previous prime is 205114300381. The next prime is 205114300409. The reversal of 205114300400 is 4003411502.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205114300409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2223764 + ... + 2314163.

Almost surely, 2205114300400 is an apocalyptic number.

205114300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205114300400 is an abundant number, since it is smaller than the sum of its proper divisors (292033863712).

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

205114300400 is a wasteful number, since it uses less digits than its factorization.

205114300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538058 (or 4538047 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 205114300400 its reverse (4003411502), we get a palindrome (209117711902).

The spelling of 205114300400 in words is "two hundred five billion, one hundred fourteen million, three hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 113 200 226 400 452 565 904 1130 1808 2260 2825 4520 5650 9040 11300 22600 45200 4537927 9075854 18151708 22689635 36303416 45379270 72606832 90758540 113448175 181517080 226896350 363034160 453792700 512785751 907585400 1025571502 1815170800 2051143004 2563928755 4102286008 5127857510 8204572016 10255715020 12819643775 20511430040 25639287550 41022860080 51278575100 102557150200 205114300400