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20352183386 = 217670189329
BaseRepresentation
bin10010111101000101…
…011010110001011010
31221112101020001000212
4102331011122301122
5313140124332021
613203305531122
71320226463423
oct227505326132
957471201025
1020352183386
1186a4305677
123b3baa3aa2
131bc4646882
14db0da064a
157e1b3685b
hex4bd15ac5a

20352183386 has 16 divisors (see below), whose sum is σ = 32329241640. Its totient is φ = 9575961600.

The previous prime is 20352183373. The next prime is 20352183391. The reversal of 20352183386 is 68338125302.

It can be written as a sum of positive squares in 4 ways, for example, as 20272349161 + 79834225 = 142381^2 + 8935^2 .

It is a super-2 number, since 2×203521833862 (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, 183170 + ... + 272498.

Almost surely, 220352183386 is an apocalyptic number.

20352183386 is a deficient number, since it is larger than the sum of its proper divisors (11977058254).

20352183386 is a wasteful number, since it uses less digits than its factorization.

20352183386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96049.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 20352183386 in words is "twenty billion, three hundred fifty-two million, one hundred eighty-three thousand, three hundred eighty-six".

Divisors: 1 2 17 34 6701 13402 89329 113917 178658 227834 1518593 3037186 598593629 1197187258 10176091693 20352183386