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20755152206 = 2231197137691
BaseRepresentation
bin10011010101000110…
…100111110101001110
31222120110110222022222
4103111012213311032
5320001304332311
613311302535342
71333221611555
oct232506476516
958513428288
1020755152206
118890819058
124032a37552
131c59c87569
14100c6d8d9c
158171d4adb
hex4d51a7d4e

20755152206 has 16 divisors (see below), whose sum is σ = 32489900928. Its totient is φ = 9925284600.

The previous prime is 20755152191. The next prime is 20755152233. The reversal of 20755152206 is 60225155702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531821 + ... + 569511.

It is an arithmetic number, because the mean of its divisors is an integer number (2030618808).

Almost surely, 220755152206 is an apocalyptic number.

20755152206 is a deficient number, since it is larger than the sum of its proper divisors (11734748722).

20755152206 is a wasteful number, since it uses less digits than its factorization.

20755152206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49687.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 20755152206 in words is "twenty billion, seven hundred fifty-five million, one hundred fifty-two thousand, two hundred six".

Divisors: 1 2 23 46 11971 23942 37691 75382 275333 550666 866893 1733786 451198961 902397922 10377576103 20755152206