Base | Representation |
---|---|
bin | 11100000110110000… |
… | …101111010101010000 |
3 | 2212220011121222010011 |
4 | 130012300233111100 |
5 | 443301110224102 |
6 | 21510315444304 |
7 | 2115562363615 |
oct | 340660572520 |
9 | 85804558104 |
10 | 30178211152 |
11 | 118868a4781 |
12 | 5a22756694 |
13 | 2acc29099b |
14 | 1663d9850c |
15 | bb95cc2d7 |
hex | 706c2f550 |
30178211152 has 20 divisors (see below), whose sum is σ = 59830059520. Its totient is φ = 14738195808.
The previous prime is 30178211149. The next prime is 30178211191. The reversal of 30178211152 is 25111287103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21931152 + ... + 21932527.
It is an arithmetic number, because the mean of its divisors is an integer number (2991502976).
Almost surely, 230178211152 is an apocalyptic number.
It is an amenable number.
30178211152 is a deficient number, since it is larger than the sum of its proper divisors (29651848368).
30178211152 is a wasteful number, since it uses less digits than its factorization.
30178211152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43863730 (or 43863724 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 31.
Adding to 30178211152 its reverse (25111287103), we get a palindrome (55289498255).
The spelling of 30178211152 in words is "thirty billion, one hundred seventy-eight million, two hundred eleven thousand, one hundred fifty-two".
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