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42020627102640 = 2433519453994029
BaseRepresentation
bin10011000110111101100001…
…00011010011101110110000
312111210010120202022020122000
421203132300203103232300
521001431221014241030
6225212002023414000
711564614212035214
oct1143366043235660
9174703522266560
1042020627102640
111243093658441a
124867a66bb4300
131a5a6b34015c4
14a53b48650944
154cd0bda38860
hex2637b08d3bb0

42020627102640 has 80 divisors (see below), whose sum is σ = 144737715583200. Its totient is φ = 11205500560128.

The previous prime is 42020627102621. The next prime is 42020627102653. The reversal of 42020627102640 is 4620172602024.

42020627102640 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 0 + 6 + 2 + 7 + 1 + 0 + 2 + 640 = 666.

42020627102640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42020627102595 and 42020627102604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9726994855 + ... + 9726999174.

It is an arithmetic number, because the mean of its divisors is an integer number (1809221444790).

Almost surely, 242020627102640 is an apocalyptic number.

42020627102640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42020627102640 is an abundant number, since it is smaller than the sum of its proper divisors (102717088480560).

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

42020627102640 is a wasteful number, since it uses less digits than its factorization.

42020627102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19453994051 (or 19453994039 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 42020627102640 its reverse (4620172602024), we get a palindrome (46640799704664).

The spelling of 42020627102640 in words is "forty-two trillion, twenty billion, six hundred twenty-seven million, one hundred two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 19453994029 38907988058 58361982087 77815976116 97269970145 116723964174 155631952232 175085946261 194539940290 233447928348 291809910435 311263904464 350171892522 389079880580 466895856696 525257838783 583619820870 700343785044 778159761160 875429731305 933791713392 1050515677566 1167239641740 1400687570088 1556319522320 1750859462610 2101031355132 2334479283480 2626289193915 2801375140176 3501718925220 4202062710264 4668958566960 5252578387830 7003437850440 8404125420528 10505156775660 14006875700880 21010313551320 42020627102640