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42354244023 = 3731317186247
BaseRepresentation
bin100111011100100000…
…100111100110110111
311001022201222112011120
4213130200213212313
51143220141302043
631242434235023
73026402064000
oct473440474667
9131281875146
1042354244023
1116a64959463
128260425a73
133cbca3a770
14209b11a1a7
15117d520983
hex9dc8279b7

42354244023 has 64 divisors (see below), whose sum is σ = 75095193600. Its totient is φ = 21026428416.

The previous prime is 42354244013. The next prime is 42354244061. The reversal of 42354244023 is 32044245324.

It is not a de Polignac number, because 42354244023 - 210 = 42354242999 is a prime.

It is a super-3 number, since 3×423542440233 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42354244013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134286 + ... + 320532.

It is an arithmetic number, because the mean of its divisors is an integer number (1173362400).

Almost surely, 242354244023 is an apocalyptic number.

42354244023 is a deficient number, since it is larger than the sum of its proper divisors (32740949577).

42354244023 is a wasteful number, since it uses less digits than its factorization.

42354244023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186301 (or 186287 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 42354244023 its reverse (32044245324), we get a palindrome (74398489347).

The spelling of 42354244023 in words is "forty-two billion, three hundred fifty-four million, two hundred forty-four thousand, twenty-three".

Divisors: 1 3 7 13 17 21 39 49 51 91 119 147 221 273 343 357 637 663 833 1029 1547 1911 2499 4459 4641 5831 10829 13377 17493 32487 75803 186247 227409 558741 1303729 2421211 3166199 3911187 7263633 9126103 9498597 16948477 22163393 27378309 41160587 50845431 63882721 66490179 118639339 123481761 155143751 191648163 288124109 355918017 465431253 830475373 864372327 1086006257 2016868763 2491426119 3258018771 6050606289 14118081341 42354244023