Base | Representation |
---|---|
bin | 1101101101101001010011… |
… | …00111100100000001000010 |
3 | 10221202212001001021002110020 |
4 | 12312310221213210001002 |
5 | 12423032244341402320 |
6 | 144045153130514310 |
7 | 6231450312345450 |
oct | 666645147440102 |
9 | 127685031232406 |
10 | 30155663622210 |
11 | 9676a43a5a415 |
12 | 3470452895996 |
13 | 13a9889190749 |
14 | 763782dc79d0 |
15 | 374640be8940 |
hex | 1b6d299e4042 |
30155663622210 has 64 divisors (see below), whose sum is σ = 82732182914304. Its totient is φ = 6891097651200.
The previous prime is 30155663622173. The next prime is 30155663622229. The reversal of 30155663622210 is 1222636655103.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 16039171 + ... + 17820390.
It is an arithmetic number, because the mean of its divisors is an integer number (1292690358036).
Almost surely, 230155663622210 is an apocalyptic number.
30155663622210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30155663622210 is an abundant number, since it is smaller than the sum of its proper divisors (52576519292094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30155663622210 is a wasteful number, since it uses less digits than its factorization.
30155663622210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33863819.
The product of its (nonzero) digits is 388800, while the sum is 42.
The spelling of 30155663622210 in words is "thirty trillion, one hundred fifty-five billion, six hundred sixty-three million, six hundred twenty-two thousand, two hundred ten".
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