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211011020088 = 2331122913718289
BaseRepresentation
bin1100010010000100111…
…1001010010100111000
3202011122201110110110020
43010201033022110320
511424122310120323
6240534230250440
721150023035251
oct3044117122470
9664581413406
10211011020088
1181542246600
1234a8b1b6a20
1316b8a60478b
14a2da61db28
15574ee8dae3
hex31213ca538

211011020088 has 192 divisors, whose sum is σ = 604250388000. Its totient is φ = 61283819520.

The previous prime is 211011020047. The next prime is 211011020089. The reversal of 211011020088 is 880020110112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011020089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11528448 + ... + 11546736.

Almost surely, 2211011020088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211011020088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302125194000).

211011020088 is an abundant number, since it is smaller than the sum of its proper divisors (393239367912).

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

211011020088 is a wasteful number, since it uses less digits than its factorization.

211011020088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486 (or 18471 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

The spelling of 211011020088 in words is "two hundred eleven billion, eleven million, twenty thousand, eighty-eight".