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42620448305988 = 2234718792084791
BaseRepresentation
bin10011011000011010110001…
…01011100111001101000100
312120220110211022201111020000
421230031120223213031010
521041243134231242423
6230351321425441300
711656140304116210
oct1154153053471504
9176813738644200
1042620448305988
1112642259a57393
124944165aa0230
131aa2124cb9877
14a74baac71940
154dd9c7d39843
hex26c358ae7344

42620448305988 has 60 divisors (see below), whose sum is σ = 127335166550592. Its totient is φ = 12177270943920.

The previous prime is 42620448305983. The next prime is 42620448306077. The reversal of 42620448305988 is 88950384402624.

42620448305988 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 0 + 4 + 4 + 8 + 30 + 598 + 8 = 666.

It is a super-2 number, since 2×426204483059882 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (42620448305983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9396040128 + ... + 9396044663.

Almost surely, 242620448305988 is an apocalyptic number.

It is an amenable number.

42620448305988 is an abundant number, since it is smaller than the sum of its proper divisors (84714718244604).

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

42620448305988 is a wasteful number, since it uses less digits than its factorization.

42620448305988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18792084814 (or 18792084803 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 63.

The spelling of 42620448305988 in words is "forty-two trillion, six hundred twenty billion, four hundred forty-eight million, three hundred five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 18792084791 37584169582 56376254373 75168339164 112752508746 131544593537 169128763119 225505017492 263089187074 338257526238 394633780611 507386289357 526178374148 676515052476 789267561222 1014772578714 1183901341833 1522158868071 1578535122444 2029545157428 2367802683666 3044317736142 3551704025499 4735605367332 6088635472284 7103408050998 10655112076497 14206816101996 21310224152994 42620448305988