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20682017286 = 2374112010463
BaseRepresentation
bin10011010000101111…
…101000101000000110
31222101100212100002020
4103100233220220012
5314324044023121
613300131224010
71331343150330
oct232057505006
958340770066
1020682017286
118853506777
124012448006
131c47a8bb68
141002adc450
15810a8a1c6
hex4d0be8a06

20682017286 has 32 divisors (see below), whose sum is σ = 48426190848. Its totient is φ = 5765021760.

The previous prime is 20682017269. The next prime is 20682017311. The reversal of 20682017286 is 68271028602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6003510 + ... + 6006953.

It is an arithmetic number, because the mean of its divisors is an integer number (1513318464).

Almost surely, 220682017286 is an apocalyptic number.

20682017286 is an abundant number, since it is smaller than the sum of its proper divisors (27744173562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20682017286 is a wasteful number, since it uses less digits than its factorization.

20682017286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010516.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 20682017286 in words is "twenty billion, six hundred eighty-two million, seventeen thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 861 1722 12010463 24020926 36031389 72062778 84073241 168146482 252219723 492428983 504439446 984857966 1477286949 2954573898 3447002881 6894005762 10341008643 20682017286