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207402100000 = 255519109159
BaseRepresentation
bin1100000100101000100…
…0001110010100100000
3201211100012122022210021
43001022020032110200
511344224414200000
6235140150443224
720661421522324
oct3011210162440
9654305568707
10207402100000
117aa60095517
1234242663514
1316733a204c4
14a0771cb984
1555dd21911a
hex304a20e520

207402100000 has 144 divisors (see below), whose sum is σ = 537237489600. Its totient is φ = 78593760000.

The previous prime is 207402099997. The next prime is 207402100001. The reversal of 207402100000 is 1204702.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (207402100001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1845421 + ... + 1954579.

It is an arithmetic number, because the mean of its divisors is an integer number (3730815900).

Almost surely, 2207402100000 is an apocalyptic number.

207402100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207402100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268618744800).

207402100000 is an abundant number, since it is smaller than the sum of its proper divisors (329835389600).

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

207402100000 is an equidigital number, since it uses as much as digits as its factorization.

207402100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109213 (or 109185 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 207402100000 its reverse (1204702), we get a palindrome (207403304702).

The spelling of 207402100000 in words is "two hundred seven billion, four hundred two million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 304 380 400 475 500 608 625 760 800 950 1000 1250 1520 1900 2000 2375 2500 3040 3125 3800 4000 4750 5000 6250 7600 9500 10000 11875 12500 15200 19000 20000 23750 25000 38000 47500 50000 59375 76000 95000 100000 109159 118750 190000 218318 237500 380000 436636 475000 545795 873272 950000 1091590 1746544 1900000 2074021 2183180 2728975 3493088 4148042 4366360 5457950 8296084 8732720 10370105 10915900 13644875 16592168 17465440 20740210 21831800 27289750 33184336 41480420 43663600 51850525 54579500 66368672 68224375 82960840 87327200 103701050 109159000 136448750 165921680 207402100 218318000 259252625 272897500 331843360 341121875 414804200 436636000 518505250 545795000 682243750 829608400 1037010500 1091590000 1296263125 1364487500 1659216800 2074021000 2183180000 2592526250 2728975000 4148042000 5185052500 5457950000 6481315625 8296084000 10370105000 10915900000 12962631250 20740210000 25925262500 41480420000 51850525000 103701050000 207402100000