Search a number
-
+
6121471730 = 2511311795153
BaseRepresentation
bin1011011001101111…
…00011111011110010
3120210121121222120012
411230313203323302
5100014044043410
62451232214522
7304460436233
oct55467437362
916717558505
106121471730
112661458350
12122a09a442
137672b982a
14420dcd08a
1525c62e605
hex16cde3ef2

6121471730 has 32 divisors (see below), whose sum is σ = 12408104448. Its totient is φ = 2154182400.

The previous prime is 6121471729. The next prime is 6121471739. The reversal of 6121471730 is 371741216.

It is a super-2 number, since 2×61214717302 = 74944832282378385800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6121471739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894167 + ... + 900986.

It is an arithmetic number, because the mean of its divisors is an integer number (387753264).

Almost surely, 26121471730 is an apocalyptic number.

6121471730 is an abundant number, since it is smaller than the sum of its proper divisors (6286632718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121471730 is a wasteful number, since it uses less digits than its factorization.

6121471730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795202.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 6121471730 is about 78239.8346751832. The cubic root of 6121471730 is about 1829.3014672984.

The spelling of 6121471730 in words is "six billion, one hundred twenty-one million, four hundred seventy-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 1795153 3590306 8975765 17951530 19746683 39493366 55649743 98733415 111299486 197466830 278248715 556497430 612147173 1224294346 3060735865 6121471730