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42442142013051 = 31117293258206287
BaseRepresentation
bin10011010011001110101001…
…10011000101011001111011
312120021102120211222022021120
421221213110303011121323
521030333001323404201
6230133352331040323
711640225562461444
oct1151472463053173
9176242524868246
1042442142013051
111258367a77a410
1249156a35a00a3
131a8b37a22a461
14a6a2d3da02cb
154d903e190536
hex2699d4cc567b

42442142013051 has 32 divisors (see below), whose sum is σ = 65588528452608. Its totient is φ = 24126795363840.

The previous prime is 42442142013001. The next prime is 42442142013059. The reversal of 42442142013051 is 15031024124424.

It is a de Polignac number, because none of the positive numbers 2k-42442142013051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42442142013059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128938771 + ... + 129267516.

It is an arithmetic number, because the mean of its divisors is an integer number (2049641514144).

Almost surely, 242442142013051 is an apocalyptic number.

42442142013051 is a deficient number, since it is larger than the sum of its proper divisors (23146386439557).

42442142013051 is a wasteful number, since it uses less digits than its factorization.

42442142013051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258206611.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 42442142013051 its reverse (15031024124424), we get a palindrome (57473166137475).

The spelling of 42442142013051 in words is "forty-two trillion, four hundred forty-two billion, one hundred forty-two million, thirteen thousand, fifty-one".

Divisors: 1 3 11 17 33 51 187 293 561 879 3223 4981 9669 14943 54791 164373 258206287 774618861 2840269157 4389506879 8520807471 13168520637 48284575669 75654442091 144853727007 226963326273 832198863001 1286125515547 2496596589003 3858376546641 14147380671017 42442142013051