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212011211000 = 2353909123321
BaseRepresentation
bin1100010101110011011…
…0100101100011111000
3202021020102111102110002
43011130312211203320
511433144332223000
6241221400012132
721213556362611
oct3053466454370
9667212442402
10212011211000
1181a0588a866
123510a161048
1316cb98aa814
14a3933bac08
1557acbab8d5
hex315cda58f8

212011211000 has 64 divisors (see below), whose sum is σ = 496182080160. Its totient is φ = 84791520000.

The previous prime is 212011210979. The next prime is 212011211017. The reversal of 212011211000 is 112110212.

It is a congruent number.

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, 9079340 + ... + 9102660.

Almost surely, 2212011211000 is an apocalyptic number.

212011211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011211000 is an abundant number, since it is smaller than the sum of its proper divisors (284170869160).

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

212011211000 is a wasteful number, since it uses less digits than its factorization.

212011211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32433 (or 32419 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212011211000 its reverse (112110212), we get a palindrome (212123321212).

The spelling of 212011211000 in words is "two hundred twelve billion, eleven million, two hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 9091 18182 23321 36364 45455 46642 72728 90910 93284 116605 181820 186568 227275 233210 363640 454550 466420 583025 909100 932840 1136375 1166050 1818200 2272750 2332100 2915125 4545500 4664200 5830250 9091000 11660500 23321000 212011211 424022422 848044844 1060056055 1696089688 2120112110 4240224220 5300280275 8480448440 10600560550 21201121100 26501401375 42402242200 53002802750 106005605500 212011211000