Base | Representation |
---|---|
bin | 10001100010011100011… |
… | …000110110100010001010 |
3 | 11021012212110220102001210 |
4 | 101202130120312202022 |
5 | 124221234414302102 |
6 | 2321400135353550 |
7 | 153034225046265 |
oct | 21423430664212 |
9 | 4235773812053 |
10 | 1205214603402 |
11 | 425146250887 |
12 | 1756b3b228b6 |
13 | 89860a44854 |
14 | 42492ccdcdc |
15 | 2153c8d336c |
hex | 1189c63688a |
1205214603402 has 32 divisors (see below), whose sum is σ = 2422479045312. Its totient is φ = 399733346304.
The previous prime is 1205214603391. The next prime is 1205214603427. The reversal of 1205214603402 is 2043064125021.
It is a self number, because there is not a number n which added to its sum of digits gives 1205214603402.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967728 + ... + 1829460.
It is an arithmetic number, because the mean of its divisors is an integer number (75702470166).
Almost surely, 21205214603402 is an apocalyptic number.
1205214603402 is an abundant number, since it is smaller than the sum of its proper divisors (1217264441910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1205214603402 is a wasteful number, since it uses less digits than its factorization.
1205214603402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 862902.
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 1205214603402 its reverse (2043064125021), we get a palindrome (3248278728423).
The spelling of 1205214603402 in words is "one trillion, two hundred five billion, two hundred fourteen million, six hundred three thousand, four hundred two".
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