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20193010210 = 2517118782413
BaseRepresentation
bin10010110011100110…
…001110001000100010
31221010021201012111001
4102303212032020202
5312323402311320
613135422142214
71313254516612
oct226346161042
957107635431
1020193010210
11862247849a
123ab672196a
131b9a685569
14d97ba8a42
157d2b9420a
hex4b398e222

20193010210 has 16 divisors (see below), whose sum is σ = 38485502136. Its totient is φ = 7602074368.

The previous prime is 20193010207. The next prime is 20193010283. The reversal of 20193010210 is 1201039102.

It can be written as a sum of positive squares in 4 ways, for example, as 19966537809 + 226472401 = 141303^2 + 15049^2 .

It is a super-2 number, since 2×201930102102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59391037 + ... + 59391376.

Almost surely, 220193010210 is an apocalyptic number.

20193010210 is a deficient number, since it is larger than the sum of its proper divisors (18292491926).

20193010210 is a wasteful number, since it uses less digits than its factorization.

20193010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118782437.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20193010210 its reverse (1201039102), we get a palindrome (21394049312).

The spelling of 20193010210 in words is "twenty billion, one hundred ninety-three million, ten thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 118782413 237564826 593912065 1187824130 2019301021 4038602042 10096505105 20193010210