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203100330320 = 2455943029731
BaseRepresentation
bin1011110100100110111…
…0010001100101010000
3201102020102002210011022
42331021232101211100
511311422141032240
6233145240535012
720450005215626
oct2751156214520
9642212083138
10203100330320
1179152929268
1233441a81468
13161c9731664
149b89b63516
15543a7359b5
hex2f49b91950

203100330320 has 40 divisors (see below), whose sum is σ = 480211809120. Its totient is φ = 79863178880.

The previous prime is 203100330283. The next prime is 203100330359. The reversal of 203100330320 is 23033001302.

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

It is a super-2 number, since 2×2031003303202 (a number of 23 digits) contains 22 as substring.

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, 21510146 + ... + 21519585.

It is an arithmetic number, because the mean of its divisors is an integer number (12005295228).

Almost surely, 2203100330320 is an apocalyptic number.

203100330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203100330320 is an abundant number, since it is smaller than the sum of its proper divisors (277111478800).

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

203100330320 is a wasteful number, since it uses less digits than its factorization.

203100330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43029803 (or 43029797 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 203100330320 its reverse (23033001302), we get a palindrome (226133331622).

The spelling of 203100330320 in words is "two hundred three billion, one hundred million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 2360 4720 43029731 86059462 172118924 215148655 344237848 430297310 688475696 860594620 1721189240 2538754129 3442378480 5077508258 10155016516 12693770645 20310033032 25387541290 40620066064 50775082580 101550165160 203100330320