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142431010332121 = 73137477322722777
BaseRepresentation
bin100000011000101001001101…
…110001101001110111011001
3200200022021100000001212001101
4200120221031301221313121
5122132042202121111441
61222531523003151401
742000205133126530
oct4030511561516731
9620267300055041
10142431010332121
114142371a188985
1213b84101215561
136162257092144
1427259aa625317
15116ee5655e231
hex818a4dc69dd9

142431010332121 has 128 divisors (see below), whose sum is σ = 179451442888704. Its totient is φ = 110471748341760.

The previous prime is 142431010332119. The next prime is 142431010332133. The reversal of 142431010332121 is 121233010134241.

It is not a de Polignac number, because 142431010332121 - 21 = 142431010332119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142431010332121.

It is not an unprimeable number, because it can be changed into a prime (142431010333121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6253270885 + ... + 6253293661.

It is an arithmetic number, because the mean of its divisors is an integer number (1401964397568).

Almost surely, 2142431010332121 is an apocalyptic number.

It is an amenable number.

142431010332121 is a deficient number, since it is larger than the sum of its proper divisors (37020432556583).

142431010332121 is a wasteful number, since it uses less digits than its factorization.

142431010332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23199.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 142431010332121 its reverse (121233010134241), we get a palindrome (263664020466362).

The spelling of 142431010332121 in words is "one hundred forty-two trillion, four hundred thirty-one billion, ten million, three hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 7 31 37 47 73 217 227 259 329 511 1147 1457 1589 1739 2263 2701 3431 7037 8029 8399 10199 10669 12173 15841 16571 18907 22777 24017 49259 53909 58793 74683 83731 106361 115997 126947 159439 260369 330739 377363 394753 513701 586117 613127 706087 744527 778837 842749 888629 1070519 1662721 1822583 2315173 2763271 3595907 3935357 4291889 4942609 5170379 5451859 5899243 7493633 11639047 12237343 19006937 24143947 26125219 27547499 28816969 33186089 36192653 39609203 51544351 61520677 78147887 85661401 133048559 160281749 169007629 182876533 191304023 201718783 232302623 243007813 277264421 360810457 377437667 430644739 547035209 893326039 1121972243 1227885293 1339128161 1701054691 1907140987 2422584497 2642063669 2891471819 5930424713 6253282273 7533242203 8595197051 8991289081 11700567677 13349986909 13965193679 16958091479 17739570349 20240302733 41512972991 52732695421 62939023567 81903973739 89635626389 97756355753 124176992443 278729961511 432921004049 549926680819 627449384723 656364102913 1951109730577 3030447028343 3849486765733 4594548720391 20347287190303 142431010332121