Base | Representation |
---|---|
bin | 11100101101011010010… |
… | …011100101011101111000 |
3 | 20222121102010221220212220 |
4 | 130231122103211131320 |
5 | 224311002144310004 |
6 | 4110201242404040 |
7 | 262352266264242 |
oct | 34553223453570 |
9 | 6877363856786 |
10 | 1972905072504 |
11 | 6a0782530823 |
12 | 27a441b00620 |
13 | 114075cc7ab2 |
14 | 6b6bc1bb092 |
15 | 364be445dd9 |
hex | 1cb5a4e5778 |
1972905072504 has 32 divisors (see below), whose sum is σ = 4932305330640. Its totient is φ = 657629337600.
The previous prime is 1972905072491. The next prime is 1972905072563. The reversal of 1972905072504 is 4052705092791.
It is a super-2 number, since 2×19729050725042 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 3206424 + ... + 3771864.
Almost surely, 21972905072504 is an apocalyptic number.
It is an amenable number.
1972905072504 is an abundant number, since it is smaller than the sum of its proper divisors (2959400258136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1972905072504 is a wasteful number, since it uses less digits than its factorization.
1972905072504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710831 (or 710827 counting only the distinct ones).
The product of its (nonzero) digits is 1587600, while the sum is 51.
The spelling of 1972905072504 in words is "one trillion, nine hundred seventy-two billion, nine hundred five million, seventy-two thousand, five hundred four".
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