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142775466541 = 193137431511009
BaseRepresentation
bin1000010011111000010…
…1001011101000101101
3111122112021020012002021
42010332011023220231
54314401004412131
6145331245430141
713213052304331
oct2047605135055
9448467205067
10142775466541
1155607035244
122380726b351
13106048ac4a6
146ca60a77c1
153aa9711e11
hex213e14ba2d

142775466541 has 64 divisors (see below), whose sum is σ = 164278681600. Its totient is φ = 123451776000.

The previous prime is 142775466529. The next prime is 142775466583. The reversal of 142775466541 is 145664577241.

It is a 9-Lehmer number, since φ(142775466541) divides (142775466541-1)9.

It is a cyclic number.

It is not a de Polignac number, because 142775466541 - 27 = 142775466413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142775466511) 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, 141501445 + ... + 141502453.

It is an arithmetic number, because the mean of its divisors is an integer number (2566854400).

Almost surely, 2142775466541 is an apocalyptic number.

142775466541 is the 218156-th hex number.

It is an amenable number.

142775466541 is a deficient number, since it is larger than the sum of its proper divisors (21503215059).

142775466541 is a wasteful number, since it uses less digits than its factorization.

142775466541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its digits is 5644800, while the sum is 52.

The spelling of 142775466541 in words is "one hundred forty-two billion, seven hundred seventy-five million, four hundred sixty-six thousand, five hundred forty-one".

Divisors: 1 19 31 37 43 151 589 703 817 1009 1147 1333 1591 2869 4681 5587 6493 19171 21793 25327 30229 31279 37333 43387 49321 88939 106153 123367 152359 173197 201283 240241 594301 709327 824353 937099 1157323 1344997 1605319 2894821 3290743 3824377 4564579 4723129 5637283 6551437 7447471 21989137 25554943 30501061 49764889 89739451 107108377 124477303 141501949 174755773 203094547 242403169 945532891 3320359687 3858796393 4605660211 7514498239 142775466541