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33144213042 = 2332971307971
BaseRepresentation
bin11110110111100011…
…001000111000110010
310011112212200110211000
4132313203020320302
51020334404304132
623120511302430
72252226106503
oct366743107062
9104485613730
1033144213042
1113069053906
12650bb1aa16
1331829004a5
141865c70baa
15cdeba787c
hex7b78c8e32

33144213042 has 128 divisors (see below), whose sum is σ = 77598259200. Its totient is φ = 10471809600.

The previous prime is 33144212963. The next prime is 33144213077. The reversal of 33144213042 is 24031244133.

33144213042 is a `hidden beast` number, since 3 + 314 + 42 + 1 + 304 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33144212997 and 33144213015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34133617 + ... + 34134587.

It is an arithmetic number, because the mean of its divisors is an integer number (606236400).

Almost surely, 233144213042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33144213042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38799129600).

33144213042 is an abundant number, since it is smaller than the sum of its proper divisors (44454046158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33144213042 is a wasteful number, since it uses less digits than its factorization.

33144213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33144213042 its reverse (24031244133), we get a palindrome (57175457175).

The spelling of 33144213042 in words is "thirty-three billion, one hundred forty-four million, two hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 71 87 142 174 213 261 307 426 522 614 639 783 921 971 1278 1566 1842 1917 1942 2059 2763 2913 3834 4118 5526 5826 6177 8289 8739 8903 12354 16578 17478 17806 18531 21797 26217 26709 28159 37062 43594 52434 53418 55593 56318 65391 68941 80127 84477 111186 130782 137882 160254 168954 196173 206823 240381 253431 298097 392346 413646 480762 506862 588519 596194 620469 632113 760293 894291 1177038 1240938 1264226 1520586 1788582 1861407 1896339 1999289 2682873 3722814 3792678 3998578 5365746 5689017 5997867 8048619 8644813 11378034 11995734 16097238 17067051 17289626 17993601 21164887 25934439 34134102 35987202 42329774 51868878 53980803 63494661 77803317 107961606 126989322 155606634 190483983 233409951 380967966 466819902 571451949 613781723 1142903898 1227563446 1841345169 3682690338 5524035507 11048071014 16572106521 33144213042