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20071522276 = 2213254492
BaseRepresentation
bin10010101100010110…
…110001111111100100
31220210211002222100221
4102230112301333210
5312101302203101
613115402214124
71310251060441
oct225426617744
956724088327
1020071522276
11856a93a843
123a81ab4344
131b7b45a300
14d859c29c8
157c7197aa1
hex4ac5b1fe4

20071522276 has 27 divisors (see below), whose sum is σ = 38041922331. Its totient is φ = 9262079424.

The previous prime is 20071522249. The next prime is 20071522297. The reversal of 20071522276 is 67222517002.

It is a happy number.

The square root of 20071522276 is 141674.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11306068900 + 8765453376 = 106330^2 + 93624^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 3680800 + ... + 3686248.

Almost surely, 220071522276 is an apocalyptic number.

20071522276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20071522276 is the 141674-th square number.

It is an amenable number.

20071522276 is a deficient number, since it is larger than the sum of its proper divisors (17970400055).

20071522276 is an frugal number, since it uses more digits than its factorization.

20071522276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 20071522276 in words is "twenty billion, seventy-one million, five hundred twenty-two thousand, two hundred seventy-six".

Divisors: 1 2 4 13 26 52 169 338 676 5449 10898 21796 70837 141674 283348 920881 1841762 3683524 29691601 59383202 118766404 385990813 771981626 1543963252 5017880569 10035761138 20071522276