Base | Representation |
---|---|
bin | 101111101100011000… |
… | …1001110110001110110 |
3 | 100210100220020111212120 |
4 | 1133120301032301312 |
5 | 3134224241011204 |
6 | 115015050100410 |
7 | 10254042256665 |
oct | 1373061166166 |
9 | 323326214776 |
10 | 102421032054 |
11 | 3a489003340 |
12 | 17a2471a706 |
13 | 98732804a3 |
14 | 4d587d6ddc |
15 | 29e6a676d9 |
hex | 17d8c4ec76 |
102421032054 has 64 divisors (see below), whose sum is σ = 233955267840. Its totient is φ = 29605358720.
The previous prime is 102421032041. The next prime is 102421032067. The reversal of 102421032054 is 450230124201.
It is an interprime number because it is at equal distance from previous prime (102421032041) and next prime (102421032067).
It is a super-3 number, since 3×1024210320543 (a number of 34 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163497 + ... + 481220.
It is an arithmetic number, because the mean of its divisors is an integer number (3655551060).
Almost surely, 2102421032054 is an apocalyptic number.
102421032054 is an abundant number, since it is smaller than the sum of its proper divisors (131534235786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102421032054 is a wasteful number, since it uses less digits than its factorization.
102421032054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644845.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 102421032054 its reverse (450230124201), we get a palindrome (552651156255).
The spelling of 102421032054 in words is "one hundred two billion, four hundred twenty-one million, thirty-two thousand, fifty-four".
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