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211020120010 = 25767161927791
BaseRepresentation
bin1100010010000111000…
…1110111111111001010
3202011200100120210012101
43010201301313333022
511424132122320020
6240535153304014
721150163265530
oct3044161677712
9664610523171
10211020120010
11815473a14a7
1234a9226500a
1316b8c46c74b
14a2db90c150
155750b8a00a
hex3121c77fca

211020120010 has 64 divisors (see below), whose sum is σ = 440865607680. Its totient is φ = 71223324480.

The previous prime is 211020120007. The next prime is 211020120043. The reversal of 211020120010 is 10021020112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7579215 + ... + 7607005.

It is an arithmetic number, because the mean of its divisors is an integer number (6888525120).

Almost surely, 2211020120010 is an apocalyptic number.

211020120010 is an abundant number, since it is smaller than the sum of its proper divisors (229845487670).

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

211020120010 is a wasteful number, since it uses less digits than its factorization.

211020120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29491.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211020120010 its reverse (10021020112), we get a palindrome (221041140122).

The spelling of 211020120010 in words is "two hundred eleven billion, twenty million, one hundred twenty thousand, ten".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 1619 2345 3238 4690 8095 11333 16190 22666 27791 55582 56665 108473 113330 138955 194537 216946 277910 389074 542365 759311 972685 1084730 1518622 1861997 1945370 3723994 3796555 7593110 9309985 13033979 18619970 26067958 44993629 65169895 89987258 130339790 224968145 314955403 449936290 629910806 1574777015 3014573143 3149554030 6029146286 15072865715 21102012001 30145731430 42204024002 105510060005 211020120010