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20058315904 = 271159892713
BaseRepresentation
bin10010101011100100…
…011001110010000000
31220202220021000122001
4102223210121302000
5312034412102104
613114211153344
71310030605054
oct225344316200
956686230561
1020058315904
11856343a690
123a795a5854
131b787b51a3
14d83d45c64
157c5e39aa4
hex4ab919c80

20058315904 has 128 divisors (see below), whose sum is σ = 44846136000. Its totient is φ = 8858910720.

The previous prime is 20058315899. The next prime is 20058315917. The reversal of 20058315904 is 40951385002.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7392052 + ... + 7394764.

Almost surely, 220058315904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20058315904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22423068000).

20058315904 is an abundant number, since it is smaller than the sum of its proper divisors (24787820096).

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

20058315904 is a wasteful number, since it uses less digits than its factorization.

20058315904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 20058315904 in words is "twenty billion, fifty-eight million, three hundred fifteen thousand, nine hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 59 64 88 89 118 128 176 178 236 352 356 472 649 704 712 944 979 1298 1408 1424 1888 1958 2596 2713 2848 3776 3916 5192 5251 5426 5696 7552 7832 10384 10502 10852 11392 15664 20768 21004 21704 29843 31328 41536 42008 43408 57761 59686 62656 83072 84016 86816 115522 119372 125312 160067 168032 173632 231044 238744 241457 320134 336064 347264 462088 477488 482914 640268 672128 924176 954976 965828 1280536 1760737 1848352 1909952 1931656 2561072 2656027 3521474 3696704 3819904 3863312 5122144 5312054 7042948 7393408 7726624 10244288 10624108 14085896 14245963 15453248 20488576 21248216 28171792 28491926 30906496 42496432 56343584 56983852 84992864 112687168 113967704 156705593 169985728 225374336 227935408 313411186 339971456 455870816 626822372 911741632 1253644744 1823483264 2507289488 5014578976 10029157952 20058315904