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20011100012130 = 2353121517311841
BaseRepresentation
bin1001000110011001100101…
…00000011111111001100010
32121212001010222002112202010
410203030302200133321202
510110330213100342010
6110320550013533350
74133516466410163
oct443146240377142
977761128075663
1020011100012130
1164157292a5487
1222b2350aa4256
13b22066b57556
144d278452376a
1524a8045cd620
hex12333281fe62

20011100012130 has 32 divisors (see below), whose sum is σ = 49575886483968. Its totient is φ = 5164154841600.

The previous prime is 20011100012117. The next prime is 20011100012177. The reversal of 20011100012130 is 3121000111002.

It is a super-2 number, since 2×200111000121302 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10758654991 + ... + 10758656850.

It is an arithmetic number, because the mean of its divisors is an integer number (1549246452624).

Almost surely, 220011100012130 is an apocalyptic number.

20011100012130 is an abundant number, since it is smaller than the sum of its proper divisors (29564786471838).

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

20011100012130 is a wasteful number, since it uses less digits than its factorization.

20011100012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517311882.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20011100012130 its reverse (3121000111002), we get a palindrome (23132100123132).

The spelling of 20011100012130 in words is "twenty trillion, eleven billion, one hundred million, twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 21517311841 43034623682 64551935523 107586559205 129103871046 215173118410 322759677615 645519355230 667036667071 1334073334142 2001110001213 3335183335355 4002220002426 6670366670710 10005550006065 20011100012130