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2902001993 = 1119101137477
BaseRepresentation
bin1010110011111001…
…0000100101001001
321111020121222100022
42230332100211021
521420403030433
61155543550225
7131625416132
oct25476204511
97436558308
102902001993
11125a117060
1268ba5b375
133732c2057
141d75b6c89
1511eb87698
hexacf90949

2902001993 has 16 divisors (see below), whose sum is σ = 3365461440. Its totient is φ = 2474568000.

The previous prime is 2902001969. The next prime is 2902002043. The reversal of 2902001993 is 3991002092.

It is a cyclic number.

It is not a de Polignac number, because 2902001993 - 218 = 2901739849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2902001933) 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, 47630 + ... + 89847.

It is an arithmetic number, because the mean of its divisors is an integer number (210341340).

Almost surely, 22902001993 is an apocalyptic number.

It is an amenable number.

2902001993 is a deficient number, since it is larger than the sum of its proper divisors (463459447).

2902001993 is a wasteful number, since it uses less digits than its factorization.

2902001993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137608.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 2902001993 is about 53870.2329027822. The cubic root of 2902001993 is about 1426.3712243482.

The spelling of 2902001993 in words is "two billion, nine hundred two million, one thousand, nine hundred ninety-three".

Divisors: 1 11 19 101 209 1111 1919 21109 137477 1512247 2612063 13885177 28732693 152736947 263818363 2902001993