Base | Representation |
---|---|
bin | 1001000001100010000… |
… | …0100010011010100111 |
3 | 112211011022022021010102 |
4 | 2100120200202122213 |
5 | 10020000140133130 |
6 | 155115251014315 |
7 | 14125534206035 |
oct | 2203040423247 |
9 | 484138267112 |
10 | 155030005415 |
11 | 5a82543a71a |
12 | 2606729a39b |
13 | 118086b561c |
14 | 7709823555 |
15 | 40754b1645 |
hex | 24188226a7 |
155030005415 has 16 divisors (see below), whose sum is σ = 187312932000. Its totient is φ = 123172973952.
The previous prime is 155030005399. The next prime is 155030005441. The reversal of 155030005415 is 514500030551.
It is a cyclic number.
It is not a de Polignac number, because 155030005415 - 24 = 155030005399 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7006109 + ... + 7028201.
It is an arithmetic number, because the mean of its divisors is an integer number (11707058250).
Almost surely, 2155030005415 is an apocalyptic number.
155030005415 is a deficient number, since it is larger than the sum of its proper divisors (32282926585).
155030005415 is a wasteful number, since it uses less digits than its factorization.
155030005415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31666.
The product of its (nonzero) digits is 7500, while the sum is 29.
Adding to 155030005415 its reverse (514500030551), we get a palindrome (669530035966).
The spelling of 155030005415 in words is "one hundred fifty-five billion, thirty million, five thousand, four hundred fifteen".
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