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23030113505 = 57294347103109
BaseRepresentation
bin10101011100101100…
…111010010011100001
32012110000012222112212
4111130230322103201
5334131202113010
614325131131505
71443464510030
oct253454722341
965400188485
1023030113505
119848998163
1245688a3b95
1322303a39c9
1411868ca717
158ebcac505
hex55cb3a4e1

23030113505 has 128 divisors (see below), whose sum is σ = 34792243200. Its totient is φ = 14302116864.

The previous prime is 23030113487. The next prime is 23030113523. The reversal of 23030113505 is 50531103032.

It is an interprime number because it is at equal distance from previous prime (23030113487) and next prime (23030113523).

It is not a de Polignac number, because 23030113505 - 212 = 23030109409 is a prime.

It is a super-2 number, since 2×230301135052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 211285391 + ... + 211285499.

It is an arithmetic number, because the mean of its divisors is an integer number (271814400).

Almost surely, 223030113505 is an apocalyptic number.

It is an amenable number.

23030113505 is a deficient number, since it is larger than the sum of its proper divisors (11762129695).

23030113505 is a wasteful number, since it uses less digits than its factorization.

23030113505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 23030113505 in words is "twenty-three billion, thirty million, one hundred thirteen thousand, five hundred five".

Divisors: 1 5 7 29 35 43 47 103 109 145 203 215 235 301 329 515 545 721 763 1015 1247 1363 1505 1645 2021 2987 3161 3605 3815 4429 4687 4841 5123 6235 6815 8729 9541 10105 11227 14147 14935 15805 20909 22127 22145 23435 24205 25615 31003 32809 33887 35861 43645 47705 56135 58609 70735 78589 104545 110635 128441 135923 140389 148567 155015 164045 169435 179305 208163 220289 293045 325583 392945 410263 482761 527669 642205 679615 701945 742835 899087 951461 982723 1039969 1040815 1101445 1457141 1542023 1627915 2051315 2279081 2413805 2638345 3379327 3693683 4495435 4757305 4913615 5199845 6036727 6388381 7285705 7710115 11395405 14000069 15302401 16896635 18468415 22689767 30183635 31941905 42257089 44718667 70000345 76512005 98000483 107116807 113448835 158828369 211285445 223593335 490002415 535584035 658003243 794141845 3290016215 4606022701 23030113505