Base | Representation |
---|---|
bin | 101111110010010101… |
… | …0000010000111111001 |
3 | 100210212210112002202212 |
4 | 1133210222002013321 |
5 | 3140131320044201 |
6 | 115050532504505 |
7 | 10262013421661 |
oct | 1374452020771 |
9 | 323783462685 |
10 | 102620471801 |
11 | 3a580643381 |
12 | 17a7b47b135 |
13 | 98a569c783 |
14 | 4d770b11a1 |
15 | 2a09310abb |
hex | 17e4a821f9 |
102620471801 has 32 divisors (see below), whose sum is σ = 106907558400. Its totient is φ = 98453555200.
The previous prime is 102620471773. The next prime is 102620471813. The reversal of 102620471801 is 108174026201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 102620471801 - 222 = 102616277497 is a prime.
It is a super-2 number, since 2×1026204718012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102620470801) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 255911201 + ... + 255911601.
It is an arithmetic number, because the mean of its divisors is an integer number (3340861200).
Almost surely, 2102620471801 is an apocalyptic number.
It is an amenable number.
102620471801 is a deficient number, since it is larger than the sum of its proper divisors (4287086599).
102620471801 is a wasteful number, since it uses less digits than its factorization.
102620471801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1009.
The product of its (nonzero) digits is 5376, while the sum is 32.
The spelling of 102620471801 in words is "one hundred two billion, six hundred twenty million, four hundred seventy-one thousand, eight hundred one".
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