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11011109970 = 235727490551
BaseRepresentation
bin10100100000101000…
…00011010001010010
31001102101100100020210
422100110003101102
5140022321004340
65020342144550
7536602614300
oct122024032122
931371310223
1011011109970
114740536993
122173722156
1310663174b3
14766563270
15446a36180
hex290503452

11011109970 has 48 divisors (see below), whose sum is σ = 30741225408. Its totient is φ = 2516824800.

The previous prime is 11011109959. The next prime is 11011109971. The reversal of 11011109970 is 7990111011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011109971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3743806 + ... + 3746745.

It is an arithmetic number, because the mean of its divisors is an integer number (640442196).

Almost surely, 211011109970 is an apocalyptic number.

11011109970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011109970 is an abundant number, since it is smaller than the sum of its proper divisors (19730115438).

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

11011109970 is a wasteful number, since it uses less digits than its factorization.

11011109970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490575 (or 7490568 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 30.

The spelling of 11011109970 in words is "eleven billion, eleven million, one hundred nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 7490551 14981102 22471653 37452755 44943306 52433857 74905510 104867714 112358265 157301571 224716530 262169285 314603142 367036999 524338570 734073998 786507855 1101110997 1573015710 1835184995 2202221994 3670369990 5505554985 11011109970