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11020101993 = 3229271347449
BaseRepresentation
bin10100100001101100…
…10110100101101001
31001110000021011222200
422100312112211221
5140032121230433
65021303010413
7540042215145
oct122066264551
931400234880
1011020101993
11474561880a
122176739a09
131068145314
14767824225
15447710613
hex290d96969

11020101993 has 48 divisors (see below), whose sum is σ = 16612128000. Its totient is φ = 7031162880.

The previous prime is 11020101971. The next prime is 11020101997. The reversal of 11020101993 is 39910102011.

It is not a de Polignac number, because 11020101993 - 210 = 11020100969 is a prime.

It is a super-2 number, since 2×110201019932 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11020101997) 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, 24543433 + ... + 24543881.

It is an arithmetic number, because the mean of its divisors is an integer number (346086000).

Almost surely, 211020101993 is an apocalyptic number.

It is an amenable number.

11020101993 is a deficient number, since it is larger than the sum of its proper divisors (5592026007).

11020101993 is a wasteful number, since it uses less digits than its factorization.

11020101993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The spelling of 11020101993 in words is "eleven billion, twenty million, one hundred one thousand, nine hundred ninety-three".

Divisors: 1 3 9 29 87 261 271 347 449 813 1041 1347 2439 3123 4041 7859 10063 13021 23577 30189 39063 70731 90567 94037 117189 121679 155803 282111 365037 467409 846333 1095111 1402227 2727073 3528691 4518287 8181219 10586073 13554861 24543657 31758219 40664583 42222613 126667839 380003517 1224455777 3673367331 11020101993