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211001303020 = 225103123183207
BaseRepresentation
bin1100010010000010101…
…0000101111111101100
3202011122001011210010211
43010200222011333230
511424112313144040
6240533242112204
721146544324514
oct3044052057754
9664561153124
10211001303020
1181537809a72
1234a87aab664
1316b885b1931
14a2d9210844
15574e1be8ea
hex3120a85fec

211001303020 has 48 divisors (see below), whose sum is σ = 447773534208. Its totient is φ = 83512198080.

The previous prime is 211001303011. The next prime is 211001303047. The reversal of 211001303020 is 20303100112.

It is a super-2 number, since 2×2110013030202 (a number of 23 digits) contains 22 as substring.

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, 2494257 + ... + 2577463.

It is an arithmetic number, because the mean of its divisors is an integer number (9328615296).

Almost surely, 2211001303020 is an apocalyptic number.

211001303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211001303020 is an abundant number, since it is smaller than the sum of its proper divisors (236772231188).

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

211001303020 is a wasteful number, since it uses less digits than its factorization.

211001303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84550 (or 84548 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 211001303020 its reverse (20303100112), we get a palindrome (231304403132).

The spelling of 211001303020 in words is "two hundred eleven billion, one million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 1231 2060 2462 4924 6155 12310 24620 83207 126793 166414 253586 332828 416035 507172 633965 832070 1267930 1664140 2535860 8570321 17140642 34281284 42851605 85703210 102427817 171406420 204855634 409711268 512139085 1024278170 2048556340 10550065151 21100130302 42200260604 52750325755 105500651510 211001303020