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142280547057 = 33117179223383
BaseRepresentation
bin1000010010000010010…
…1001101101011110001
3111121020202221200012000
42010200211031223301
54312342310001212
6145210205524213
713164562460355
oct2044045155361
9447222850160
10142280547057
1155382728980
12236a9573669
13105561b5a1c
146c5a475465
153a7b04e1dc
hex212094daf1

142280547057 has 128 divisors (see below), whose sum is σ = 237817036800. Its totient is φ = 83345371200.

The previous prime is 142280547049. The next prime is 142280547091. The reversal of 142280547057 is 750745082241.

142280547057 is a `hidden beast` number, since 1 + 4 + 22 + 80 + 547 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 142280547057 - 23 = 142280547049 is a prime.

It is a super-2 number, since 2×1422805470572 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142280547557) 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, 371489488 + ... + 371489870.

It is an arithmetic number, because the mean of its divisors is an integer number (1857945600).

Almost surely, 2142280547057 is an apocalyptic number.

It is an amenable number.

142280547057 is a deficient number, since it is larger than the sum of its proper divisors (95536489743).

142280547057 is a wasteful number, since it uses less digits than its factorization.

142280547057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 142280547057 in words is "one hundred forty-two billion, two hundred eighty million, five hundred forty-seven thousand, fifty-seven".

Divisors: 1 3 9 11 27 33 71 79 99 213 223 237 297 383 639 669 711 781 869 1149 1917 2007 2133 2343 2453 2607 3447 4213 5609 6021 7029 7359 7821 10341 12639 15833 16827 17617 21087 22077 23463 27193 30257 37917 47499 50481 52851 61699 66231 81579 85409 90771 113751 142497 151443 158553 174163 185097 193787 244737 256227 272313 299123 332827 427491 475659 522489 555291 581361 734211 768681 816939 897369 939499 998481 1250807 1567467 1665873 1744083 2148247 2306043 2692107 2818497 2995443 3752421 4702401 5232249 6064039 6444741 6747311 8076321 8455491 8986329 11257263 13758877 18192117 19334223 20241933 23630717 25366473 33771789 41276631 54576351 58002669 60725799 66704429 70892151 74220421 123829893 163729053 182177397 200113287 212676453 222661263 371489679 479059081 600339861 638029359 667983789 1437177243 1801019583 2003951367 4311531729 5269649891 12934595187 15808949673 47426849019 142280547057