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200304868640 = 2551251905429
BaseRepresentation
bin1011101010001100011…
…0011011110100100000
3201011000120221121122112
42322203012123310200
511240211021244030
6232004020254452
720320512201602
oct2724306336440
9634016847575
10200304868640
1177a48970558
12329a1841428
1315b72533016
1499a27a1172
1553250e5a95
hex2ea319bd20

200304868640 has 24 divisors (see below), whose sum is σ = 473220252540. Its totient is φ = 80121947392.

The previous prime is 200304868619. The next prime is 200304868691. The reversal of 200304868640 is 46868403002.

It can be written as a sum of positive squares in 2 ways, for example, as 198035680144 + 2269188496 = 445012^2 + 47636^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625952555 + ... + 625952874.

Almost surely, 2200304868640 is an apocalyptic number.

200304868640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200304868640 is an abundant number, since it is smaller than the sum of its proper divisors (272915383900).

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

200304868640 is a wasteful number, since it uses less digits than its factorization.

200304868640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251905444 (or 1251905436 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 200304868640 in words is "two hundred billion, three hundred four million, eight hundred sixty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1251905429 2503810858 5007621716 6259527145 10015243432 12519054290 20030486864 25038108580 40060973728 50076217160 100152434320 200304868640