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42101331144423 = 31923939722973389
BaseRepresentation
bin10011001001010011110101…
…11000110010111011100111
312112001211220011012100101120
421210221322320302323213
521004242011233110143
6225313030131225023
711603502143053605
oct1144517270627347
9175054804170346
1042101331144423
111246208a940511
12487b62a748173
131a651a535c395
14a57a02ad6875
154d0243c27383
hex264a7ae32ee7

42101331144423 has 64 divisors (see below), whose sum is σ = 59529745152000. Its totient is φ = 26393071186944.

The previous prime is 42101331144403. The next prime is 42101331144491. The reversal of 42101331144423 is 32444113310124.

It is a happy number.

It is not a de Polignac number, because 42101331144423 - 28 = 42101331144167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101331144403) 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, 12422934613 + ... + 12422938001.

It is an arithmetic number, because the mean of its divisors is an integer number (930152268000).

Almost surely, 242101331144423 is an apocalyptic number.

42101331144423 is a deficient number, since it is larger than the sum of its proper divisors (17428414007577).

42101331144423 is a wasteful number, since it uses less digits than its factorization.

42101331144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 42101331144423 its reverse (32444113310124), we get a palindrome (74545444454547).

The spelling of 42101331144423 in words is "forty-two trillion, one hundred one billion, three hundred thirty-one million, one hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 3 19 57 239 397 717 1191 2297 3389 4541 6891 7543 10167 13623 22629 43643 64391 94883 130929 193173 284649 548983 809971 911909 1345433 1646949 1802777 2429913 2735727 4036299 5408331 7784533 10430677 15389449 17326271 23353599 25563227 31292031 46168347 51978813 76689681 147906127 217946251 321558487 443718381 653838753 964675461 1860503387 3090459601 4140978769 5581510161 6109611253 9271378803 12422936307 18328833759 35349564353 58718732419 106048693059 176156197257 738619844639 2215859533917 14033777048141 42101331144423