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20034515445 = 357373951031
BaseRepresentation
bin10010101010001001…
…100111000111110101
31220201020110211112120
4102222021213013311
5312012313443240
613112001110153
71306321400010
oct225211470765
956636424476
1020034515445
118550a63a8a
123a71628359
131b738a0c89
14d80b0c377
157c3cd7ad0
hex4aa2671f5

20034515445 has 32 divisors (see below), whose sum is σ = 36645058560. Its totient is φ = 9156006720.

The previous prime is 20034515341. The next prime is 20034515471. The reversal of 20034515445 is 54451543002.

It is not a de Polignac number, because 20034515445 - 29 = 20034514933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367080 + ... + 418110.

It is an arithmetic number, because the mean of its divisors is an integer number (1145158080).

Almost surely, 220034515445 is an apocalyptic number.

It is an amenable number.

20034515445 is a deficient number, since it is larger than the sum of its proper divisors (16610543115).

20034515445 is a wasteful number, since it uses less digits than its factorization.

20034515445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54785.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 20034515445 in words is "twenty billion, thirty-four million, five hundred fifteen thousand, four hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 3739 11217 18695 26173 51031 56085 78519 130865 153093 255155 357217 392595 765465 1071651 1786085 5358255 190804909 572414727 954024545 1335634363 2862073635 4006903089 6678171815 20034515445