Base | Representation |
---|---|
bin | 101111111011111110… |
… | …1010101000001010000 |
3 | 100211201100212010111020 |
4 | 1133313331111001100 |
5 | 3141312220001130 |
6 | 115143021315440 |
7 | 10303025041614 |
oct | 1376775250120 |
9 | 324640763436 |
10 | 102944297040 |
11 | 3a727410042 |
12 | 17b4ba05b80 |
13 | 99277bcb40 |
14 | 4da80c7344 |
15 | 2a27978e10 |
hex | 17f7f55050 |
102944297040 has 80 divisors (see below), whose sum is σ = 343675586688. Its totient is φ = 25340133888.
The previous prime is 102944297039. The next prime is 102944297041. The reversal of 102944297040 is 40792449201.
It is an interprime number because it is at equal distance from previous prime (102944297039) and next prime (102944297041).
It is a tau number, because it is divible by the number of its divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 102944296983 and 102944297001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102944297041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16494364 + ... + 16500603.
Almost surely, 2102944297040 is an apocalyptic number.
102944297040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102944297040 is an abundant number, since it is smaller than the sum of its proper divisors (240731289648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102944297040 is a wasteful number, since it uses less digits than its factorization.
102944297040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32994996 (or 32994990 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 102944297040 in words is "one hundred two billion, nine hundred forty-four million, two hundred ninety-seven thousand, forty".
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