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210203012320 = 2557187681261
BaseRepresentation
bin1100001111000100010…
…0110110110011100000
3202002120102001102011121
43003301010312303200
511420443432343240
6240322124022024
721121012060420
oct3036104666340
9662512042147
10210203012320
1181168136394
12348a4691914
1316a8c0a9a82
14a2611ac480
15570408404a
hex30f1136ce0

210203012320 has 48 divisors (see below), whose sum is σ = 567548136288. Its totient is φ = 72069603840.

The previous prime is 210203012251. The next prime is 210203012333. The reversal of 210203012320 is 23210302012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210203012294 and 210203012303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93839511 + ... + 93841750.

It is an arithmetic number, because the mean of its divisors is an integer number (11823919506).

Almost surely, 2210203012320 is an apocalyptic number.

210203012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210203012320 is an abundant number, since it is smaller than the sum of its proper divisors (357345123968).

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

210203012320 is a wasteful number, since it uses less digits than its factorization.

210203012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187681283 (or 187681275 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210203012320 its reverse (23210302012), we get a palindrome (233413314332).

The spelling of 210203012320 in words is "two hundred ten billion, two hundred three million, twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 187681261 375362522 750725044 938406305 1313768827 1501450088 1876812610 2627537654 3002900176 3753625220 5255075308 6005800352 6568844135 7507250440 10510150616 13137688270 15014500880 21020301232 26275376540 30029001760 42040602464 52550753080 105101506160 210203012320