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142497190143 = 33711314153927
BaseRepresentation
bin1000010010110101111…
…1101001000011111111
3111121210212121021122000
42010231133221003333
54313313240041033
6145243505153343
713203133063020
oct2045537510377
9447725537560
10142497190143
1155483a49050
122374a02b853
131058c0494b9
146c7b14ac47
153a90094a13
hex212d7e90ff

142497190143 has 128 divisors (see below), whose sum is σ = 278320250880. Its totient is φ = 69888096000.

The previous prime is 142497190127. The next prime is 142497190163. The reversal of 142497190143 is 341091794241.

142497190143 is a `hidden beast` number, since 1 + 4 + 2 + 497 + 19 + 0 + 143 = 666.

It is a Cunningham number, because it is equal to 3774882-1.

It is not a de Polignac number, because 142497190143 - 24 = 142497190127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142497190163) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2615446 + ... + 2669372.

It is an arithmetic number, because the mean of its divisors is an integer number (2174376960).

Almost surely, 2142497190143 is an apocalyptic number.

142497190143 is a deficient number, since it is larger than the sum of its proper divisors (135823060737).

142497190143 is a wasteful number, since it uses less digits than its factorization.

142497190143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54026 (or 54020 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 142497190143 in words is "one hundred forty-two billion, four hundred ninety-seven million, one hundred ninety thousand, one hundred forty-three".

Divisors: 1 3 7 9 11 21 27 31 33 41 63 77 93 99 123 189 217 231 279 287 297 341 369 451 651 693 837 861 1023 1107 1271 1353 1953 2079 2387 2583 3069 3157 3813 4059 5859 7161 7749 8897 9207 9471 11439 12177 13981 21483 26691 28413 34317 41943 53927 64449 80073 85239 97867 125829 161781 240219 293601 377487 377489 485343 593197 880803 1132467 1456029 1671737 1779591 2211007 2642409 3397401 4152379 5015211 5338773 6633021 10192203 11702159 12457137 15045633 15477049 16016319 18389107 19899063 24321077 35106477 37371411 45136899 46431147 55167321 59697189 68541217 72963231 105319431 112114233 128723749 139293441 165501963 170247539 205623651 218889693 315958293 386171247 417880323 479788519 496505889 510742617 616870953 656669079 753953387 1158513741 1439365557 1532227851 1850612859 2261860161 3475541223 4318096671 4596683553 5277673709 6785580483 12954290013 15833021127 20356741449 47499063381 142497190143