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42658578144 = 25327131627693
BaseRepresentation
bin100111101110101001…
…100011111011100000
311002002221122022002200
4213232221203323200
51144331044000034
631332545213200
73040055634330
oct475651437340
9132087568080
1042658578144
1117100723166
128326331200
13403aac5220
1420c96db0c0
15119a0d8a99
hex9eea63ee0

42658578144 has 144 divisors (see below), whose sum is σ = 149305115232. Its totient is φ = 11250607104.

The previous prime is 42658578143. The next prime is 42658578161. The reversal of 42658578144 is 44187585624.

42658578144 is a `hidden beast` number, since 4 + 2 + 6 + 58 + 578 + 14 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×426585781443 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42658578143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787639 + ... + 840054.

It is an arithmetic number, because the mean of its divisors is an integer number (1036841078).

Almost surely, 242658578144 is an apocalyptic number.

It is an amenable number.

42658578144 is an abundant number, since it is smaller than the sum of its proper divisors (106646537088).

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

42658578144 is a wasteful number, since it uses less digits than its factorization.

42658578144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627729 (or 1627718 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 42658578144 in words is "forty-two billion, six hundred fifty-eight million, five hundred seventy-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 72 78 84 91 96 104 112 117 126 144 156 168 182 208 224 234 252 273 288 312 336 364 416 468 504 546 624 672 728 819 936 1008 1092 1248 1456 1638 1872 2016 2184 2912 3276 3744 4368 6552 8736 13104 26208 1627693 3255386 4883079 6510772 9766158 11393851 13021544 14649237 19532316 21160009 22787702 26043088 29298474 34181553 39064632 42320018 45575404 52086176 58596948 63480027 68363106 78129264 84640036 91150808 102544659 117193896 126960054 136726212 148120063 156258528 169280072 182301616 190440081 205089318 234387792 253920108 273452424 296240126 338560144 364603232 380880162 410178636 444360189 468775584 507840216 546904848 592480252 677120288 761760324 820357272 888720378 1015680432 1093809696 1184960504 1333080567 1523520648 1640714544 1777440756 2031360864 2369921008 2666161134 3047041296 3281429088 3554881512 4739842016 5332322268 6094082592 7109763024 10664644536 14219526048 21329289072 42658578144