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20425710174 = 235367395441
BaseRepresentation
bin10011000001011101…
…111001101001011110
31221201111120120211020
4103001131321221132
5313312440211144
613214453505010
71322111446302
oct230135715136
957644516736
1020425710174
118731865411
123b60642166
131c0694b74c
14dbaa5dd02
157e830c419
hex4c1779a5e

20425710174 has 32 divisors (see below), whose sum is σ = 41684484384. Its totient is φ = 6670110720.

The previous prime is 20425710131. The next prime is 20425710191. The reversal of 20425710174 is 47101752402.

It is a super-2 number, since 2×204257101742 (a number of 21 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 166294 + ... + 261734.

It is an arithmetic number, because the mean of its divisors is an integer number (1302640137).

Almost surely, 220425710174 is an apocalyptic number.

20425710174 is an abundant number, since it is smaller than the sum of its proper divisors (21258774210).

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

20425710174 is a wasteful number, since it uses less digits than its factorization.

20425710174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96172.

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 20425710174 in words is "twenty billion, four hundred twenty-five million, seven hundred ten thousand, one hundred seventy-four".

Divisors: 1 2 3 6 53 106 159 318 673 1346 2019 4038 35669 71338 95441 107007 190882 214014 286323 572646 5058373 10116746 15175119 30350238 64231793 128463586 192695379 385390758 3404285029 6808570058 10212855087 20425710174