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203233231020 = 223529881113357
BaseRepresentation
bin1011110101000110100…
…1010000000010101100
3201102120200011211122110
42331101221100002230
511312210201343040
6233210345244020
720453210650341
oct2752151200254
9642520154573
10203233231020
1179210951556
123347a493610
131621b124521
149b9d67a7c8
155447238980
hex2f51a500ac

203233231020 has 48 divisors (see below), whose sum is σ = 569077111008. Its totient is φ = 54193236480.

The previous prime is 203233231013. The next prime is 203233231039. The reversal of 203233231020 is 20132332302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736182 + ... + 1849538.

It is an arithmetic number, because the mean of its divisors is an integer number (11855773146).

Almost surely, 2203233231020 is an apocalyptic number.

203233231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203233231020 is an abundant number, since it is smaller than the sum of its proper divisors (365843879988).

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

203233231020 is a wasteful number, since it uses less digits than its factorization.

203233231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143250 (or 143248 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203233231020 its reverse (20132332302), we get a palindrome (223365563322).

The spelling of 203233231020 in words is "two hundred three billion, two hundred thirty-three million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 29881 59762 89643 113357 119524 149405 179286 226714 298810 340071 358572 448215 453428 566785 597620 680142 896430 1133570 1360284 1700355 1792860 2267140 3400710 6801420 3387220517 6774441034 10161661551 13548882068 16936102585 20323323102 33872205170 40646646204 50808307755 67744410340 101616615510 203233231020