Base | Representation |
---|---|
bin | 101110000110010010010011… |
… | …110001100001010010000011 |
3 | 222120211221211121122222111210 |
4 | 232012102103301201102003 |
5 | 203033211323030110030 |
6 | 1555110235252341203 |
7 | 60463430423255343 |
oct | 5606222361412203 |
9 | 876757747588453 |
10 | 202742115472515 |
11 | 596664a2787663 |
12 | 1a8a4944314803 |
13 | 89186653ba008 |
14 | 380cab0cdcd23 |
15 | 1868bc36ccbb0 |
hex | b86493c61483 |
202742115472515 has 32 divisors (see below), whose sum is σ = 324829537998336. Its totient is φ = 107981819840000.
The previous prime is 202742115472499. The next prime is 202742115472543. The reversal of 202742115472515 is 515274511247202.
It is a Cunningham number, because it is equal to 142387542-1.
It is not a de Polignac number, because 202742115472515 - 24 = 202742115472499 is a prime.
It is a super-2 number, since 2×2027421154725152 (a number of 29 digits) contains 22 as substring.
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, 40343140 + ... + 45089390.
It is an arithmetic number, because the mean of its divisors is an integer number (10150923062448).
Almost surely, 2202742115472515 is an apocalyptic number.
202742115472515 is a deficient number, since it is larger than the sum of its proper divisors (122087422525821).
202742115472515 is a wasteful number, since it uses less digits than its factorization.
202742115472515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4750139.
The product of its (nonzero) digits is 1568000, while the sum is 48.
The spelling of 202742115472515 in words is "two hundred two trillion, seven hundred forty-two billion, one hundred fifteen million, four hundred seventy-two thousand, five hundred fifteen".
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