Search a number
-
+
30501312315105 = 3517654718269893
BaseRepresentation
bin1101110111101101000111…
…11000101011111011100001
310222222220012220020222121210
412323312203320223323201
512444213141423040410
6144512035345540333
76265434644640252
oct673664370537341
9128886186228553
1030501312315105
11979a5966a8295
1235074379446a9
131403352417528
147763b29b8b29
1537d620c31220
hex1bbda3e2bee1

30501312315105 has 32 divisors (see below), whose sum is σ = 51680706873984. Its totient is φ = 15308123268096.

The previous prime is 30501312315013. The next prime is 30501312315107. The reversal of 30501312315105 is 50151321310503.

It is not a de Polignac number, because 30501312315105 - 232 = 30497017347809 is a prime.

It is a super-3 number, since 3×305013123151053 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (30501312315107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7465462 + ... + 10804431.

It is an arithmetic number, because the mean of its divisors is an integer number (1615022089812).

Almost surely, 230501312315105 is an apocalyptic number.

It is an amenable number.

30501312315105 is a deficient number, since it is larger than the sum of its proper divisors (21179394558879).

30501312315105 is a wasteful number, since it uses less digits than its factorization.

30501312315105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276465.

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 30501312315105 its reverse (50151321310503), we get a palindrome (80652633625608).

The spelling of 30501312315105 in words is "thirty trillion, five hundred one billion, three hundred twelve million, three hundred fifteen thousand, one hundred five".

Divisors: 1 3 5 15 17 51 85 255 6547 19641 32735 98205 111299 333897 556495 1669485 18269893 54809679 91349465 274048395 310588181 931764543 1552940905 4658822715 119612989471 358838968413 598064947355 1794194842065 2033420821007 6100262463021 10167104105035 30501312315105