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203133230320 = 2453078270897
BaseRepresentation
bin1011110100101110101…
…1110001110011110000
3201102022201000021110211
42331023223301303300
511312004101332240
6233152414033504
720450554653166
oct2751353616360
9642281007424
10203133230320
117916a45a549
1233450aa8894
13162034b0607
149b90289236
15543d583bea
hex2f4baf1cf0

203133230320 has 40 divisors (see below), whose sum is σ = 473823204624. Its totient is φ = 80988613632.

The previous prime is 203133230309. The next prime is 203133230341. The reversal of 203133230320 is 23032331302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 203133230291 and 203133230300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4110889 + ... + 4160008.

Almost surely, 2203133230320 is an apocalyptic number.

203133230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203133230320 is an abundant number, since it is smaller than the sum of its proper divisors (270689974304).

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

203133230320 is a wasteful number, since it uses less digits than its factorization.

203133230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271217 (or 8271211 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203133230320 its reverse (23032331302), we get a palindrome (226165561622).

The spelling of 203133230320 in words is "two hundred three billion, one hundred thirty-three million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 307 614 1228 1535 2456 3070 4912 6140 12280 24560 8270897 16541794 33083588 41354485 66167176 82708970 132334352 165417940 330835880 661671760 2539165379 5078330758 10156661516 12695826895 20313323032 25391653790 40626646064 50783307580 101566615160 203133230320