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20443852070 = 252398553913
BaseRepresentation
bin10011000010100011…
…000110110100100110
31221202202201021211022
4103002203012310212
5313332111231240
613220342411142
71322421606155
oct230243066446
957682637738
1020443852070
118741026714
123b66730ab2
131c0a6311b5
14dbd22359c
157e9be29b5
hex4c28c6d26

20443852070 has 16 divisors (see below), whose sum is σ = 36952908480. Its totient is φ = 8143324224.

The previous prime is 20443852049. The next prime is 20443852133. The reversal of 20443852070 is 7025834402.

It is a self number, because there is not a number n which added to its sum of digits gives 20443852070.

It is a congruent number.

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, 4274567 + ... + 4279346.

It is an arithmetic number, because the mean of its divisors is an integer number (2309556780).

Almost surely, 220443852070 is an apocalyptic number.

20443852070 is a deficient number, since it is larger than the sum of its proper divisors (16509056410).

20443852070 is a wasteful number, since it uses less digits than its factorization.

20443852070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554159.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 20443852070 in words is "twenty billion, four hundred forty-three million, eight hundred fifty-two thousand, seventy".

Divisors: 1 2 5 10 239 478 1195 2390 8553913 17107826 42769565 85539130 2044385207 4088770414 10221926035 20443852070