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10002011993 = 591481114467
BaseRepresentation
bin10010101000010101…
…01001011101011001
3221211001112212001122
421110022221131121
5130441003340433
64332253455025
7502600461551
oct112412513531
927731485048
1010002011993
114272969716
121b317a1475
13c352431bc
146ac528161
153d8159198
hex2542a9759

10002011993 has 8 divisors (see below), whose sum is σ = 10178494560. Its totient is φ = 9825761440.

The previous prime is 10002011963. The next prime is 10002012011. The reversal of 10002011993 is 39911020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10002011993 - 210 = 10002010969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002011923) 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, 30146 + ... + 144612.

It is an arithmetic number, because the mean of its divisors is an integer number (1272311820).

Almost surely, 210002011993 is an apocalyptic number.

It is an amenable number.

10002011993 is a deficient number, since it is larger than the sum of its proper divisors (176482567).

10002011993 is a wasteful number, since it uses less digits than its factorization.

10002011993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116007.

The product of its (nonzero) digits is 486, while the sum is 26.

Adding to 10002011993 its reverse (39911020001), we get a palindrome (49913031994).

The spelling of 10002011993 in words is "ten billion, two million, eleven thousand, nine hundred ninety-three".

Divisors: 1 59 1481 87379 114467 6753553 169525627 10002011993