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211130002040 = 23550031055017
BaseRepresentation
bin1100010010100001010…
…1000010101001111000
3202011222000100101000012
43010220111002221320
511424343240031130
6240554120401052
721152666256356
oct3045025025170
9664860311005
10211130002040
11815a34224a1
1234b03016188
1316ba91631b9
14a30c3527d6
15575a642995
hex3128542a78

211130002040 has 32 divisors (see below), whose sum is σ = 475137906480. Its totient is φ = 84435040512.

The previous prime is 211130002019. The next prime is 211130002043. The reversal of 211130002040 is 40200031112.

It is a super-2 number, since 2×2111300020402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130002043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327389 + ... + 727628.

Almost surely, 2211130002040 is an apocalyptic number.

211130002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211130002040 is an abundant number, since it is smaller than the sum of its proper divisors (264007904440).

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

211130002040 is a wasteful number, since it uses less digits than its factorization.

211130002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060031 (or 1060027 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211130002040 its reverse (40200031112), we get a palindrome (251330033152).

The spelling of 211130002040 in words is "two hundred eleven billion, one hundred thirty million, two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 5003 10006 20012 25015 40024 50030 100060 200120 1055017 2110034 4220068 5275085 8440136 10550170 21100340 42200680 5278250051 10556500102 21113000204 26391250255 42226000408 52782500510 105565001020 211130002040