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200001980200 = 23521190909991
BaseRepresentation
bin1011101001000100001…
…1000000011100101000
3201010020111000021211011
42322101003000130220
511234101001331300
6231514000313304
720310143532121
oct2722103003450
9633214007734
10200001980200
11779029a3a30
1232918312834
1315b248635a9
149974479048
155308715eba
hex2e910c0728

200001980200 has 48 divisors (see below), whose sum is σ = 507277755360. Its totient is φ = 72727992000.

The previous prime is 200001980179. The next prime is 200001980221. The reversal of 200001980200 is 2089100002.

It is an interprime number because it is at equal distance from previous prime (200001980179) and next prime (200001980221).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 45452796 + ... + 45457195.

It is an arithmetic number, because the mean of its divisors is an integer number (10568286570).

Almost surely, 2200001980200 is an apocalyptic number.

200001980200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001980200 is an abundant number, since it is smaller than the sum of its proper divisors (307275775160).

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

200001980200 is a wasteful number, since it uses less digits than its factorization.

200001980200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90910018 (or 90910009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 200001980200 in words is "two hundred billion, one million, nine hundred eighty thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 90909991 181819982 363639964 454549955 727279928 909099910 1000009901 1818199820 2000019802 2272749775 3636399640 4000039604 4545499550 5000049505 8000079208 9090999100 10000099010 18181998200 20000198020 25000247525 40000396040 50000495050 100000990100 200001980200