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20011532132 = 2223327179231
BaseRepresentation
bin10010101000110001…
…111011111101100100
31220122122020011100202
4102220301323331210
5311440423012012
613105420330032
71305622134164
oct225061737544
956578204322
1020011532132
118539a96309
123a659a3918
131b6bbb4997
14d7ba485a4
157c1c97cc2
hex4a8c7bf64

20011532132 has 24 divisors (see below), whose sum is σ = 35300708352. Its totient is φ = 9925934400.

The previous prime is 20011532129. The next prime is 20011532143. The reversal of 20011532132 is 23123511002.

It is a super-2 number, since 2×200115321322 (a number of 21 digits) contains 22 as substring.

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, 212957 + ... + 292187.

It is an arithmetic number, because the mean of its divisors is an integer number (1470862848).

Almost surely, 220011532132 is an apocalyptic number.

It is an amenable number.

20011532132 is a deficient number, since it is larger than the sum of its proper divisors (15289176220).

20011532132 is a wasteful number, since it uses less digits than its factorization.

20011532132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79739 (or 79737 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 20011532132 in words is "twenty billion, eleven million, five hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 233 271 466 542 932 1084 63143 79231 126286 158462 252572 316924 18460823 21471601 36921646 42943202 73843292 85886404 5002883033 10005766066 20011532132