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42136212144 = 24313194775617
BaseRepresentation
bin100111001111100000…
…111001001010110000
311000202112201100122210
4213033200321022300
51142243332242034
631205045132120
73021113615355
oct471740711260
9130675640583
1042136212144
111696287a924
1281bb3ba040
133c8680bb10
14207a1a262c
1511693038e9
hex9cf8392b0

42136212144 has 160 divisors (see below), whose sum is σ = 126021934080. Its totient is φ = 12021129216.

The previous prime is 42136212143. The next prime is 42136212179. The reversal of 42136212144 is 44121263124.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42136212143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519424 + ... + 595040.

It is an arithmetic number, because the mean of its divisors is an integer number (787637088).

Almost surely, 242136212144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42136212144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63010967040).

42136212144 is an abundant number, since it is smaller than the sum of its proper divisors (83885721936).

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

42136212144 is a wasteful number, since it uses less digits than its factorization.

42136212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75707 (or 75701 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 42136212144 its reverse (44121263124), we get a palindrome (86257475268).

The spelling of 42136212144 in words is "forty-two billion, one hundred thirty-six million, two hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 38 39 47 48 52 57 76 78 94 104 114 141 152 156 188 208 228 247 282 304 312 376 456 494 564 611 624 741 752 893 912 988 1128 1222 1482 1786 1833 1976 2256 2444 2679 2964 3572 3666 3952 4888 5358 5928 7144 7332 9776 10716 11609 11856 14288 14664 21432 23218 29328 34827 42864 46436 69654 75617 92872 139308 151234 185744 226851 278616 302468 453702 557232 604936 907404 983021 1209872 1436723 1814808 1966042 2873446 2949063 3553999 3629616 3932084 4310169 5746892 5898126 7107998 7864168 8620338 10661997 11493784 11796252 14215996 15728336 17240676 18677399 21323994 22987568 23592504 28431992 34481352 37354798 42647988 46201987 47185008 56032197 56863984 67525981 68962704 74709596 85295976 92403974 112064394 135051962 138605961 149419192 170591952 184807948 202577943 224128788 270103924 277211922 298838384 369615896 405155886 448257576 540207848 554423844 739231792 810311772 877837753 896515152 1080415696 1108847688 1620623544 1755675506 2217695376 2633513259 3241247088 3511351012 5267026518 7022702024 10534053036 14045404048 21068106072 42136212144