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9101001006 = 23216311172777
BaseRepresentation
bin10000111100111011…
…00100000100101110
3212111021010202100100
420132131210010232
5122114324013011
64103030011530
7441350142426
oct103635440456
925437122310
109101001006
113950306839
12191baa6ba6
13b206845c6
146249c7486
15383eccd56
hex21e76412e

9101001006 has 48 divisors (see below), whose sum is σ = 19864722384. Its totient is φ = 3011271552.

The previous prime is 9101001001. The next prime is 9101001029. The reversal of 9101001006 is 6001001019.

It is a super-2 number, since 2×91010010062 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 9101001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9101001001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3275890 + ... + 3278666.

It is an arithmetic number, because the mean of its divisors is an integer number (413848383).

Almost surely, 29101001006 is an apocalyptic number.

9101001006 is an abundant number, since it is smaller than the sum of its proper divisors (10763721378).

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

9101001006 is a wasteful number, since it uses less digits than its factorization.

9101001006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 9101001006 is about 95399.1666944738. The cubic root of 9101001006 is about 2087.8360274964.

The spelling of 9101001006 in words is "nine billion, one hundred one million, one thousand, six".

Divisors: 1 2 3 6 9 18 163 326 489 978 1117 1467 2234 2777 2934 3351 5554 6702 8331 10053 16662 20106 24993 49986 182071 364142 452651 546213 905302 1092426 1357953 1638639 2715906 3101909 3277278 4073859 6203818 8147718 9305727 18611454 27917181 55834362 505611167 1011222334 1516833501 3033667002 4550500503 9101001006