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10021111209973 = 79421775938833
BaseRepresentation
bin1001000111010011100011…
…0001100001111111110101
31022111000020110200211121001
42101310320301201333311
52303141213432204343
633151345051323301
72053000322563363
oct221647061417765
938430213624531
1010021111209973
113213a25034596
12115a1a9a50531
13578ca9b0a346
1426904ac30633
15125a1350b44d
hex91d38c61ff5

10021111209973 has 16 divisors (see below), whose sum is σ = 10173638118400. Its totient is φ = 9869233570560.

The previous prime is 10021111209959. The next prime is 10021111210013. The reversal of 10021111209973 is 37990211112001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10021111209973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021111209673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258037165 + ... + 258075997.

It is an arithmetic number, because the mean of its divisors is an integer number (635852382400).

Almost surely, 210021111209973 is an apocalyptic number.

It is an amenable number.

10021111209973 is a deficient number, since it is larger than the sum of its proper divisors (152526908427).

10021111209973 is an equidigital number, since it uses as much as digits as its factorization.

10021111209973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47092.

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 10021111209973 in words is "ten trillion, twenty-one billion, one hundred eleven million, two hundred nine thousand, nine hundred seventy-three".

Divisors: 1 79 421 7759 33259 38833 612961 3067807 3266539 16348693 258056581 301305247 1291546747 23803114513 126849508987 10021111209973