Search a number
-
+
30726067007005 = 513744855572273
BaseRepresentation
bin1101111110001111110000…
…10011110010111000011101
311000210101100102212022110221
412333013320103302320131
513011403441123211010
6145203205455001341
76320612404204546
oct677077023627035
9130711312768427
1030726067007005
119876940886947
123542b01809251
13141b5c01b0c96
147832146294cd
153843c756ddda
hex1bf1f84f2e1d

30726067007005 has 8 divisors (see below), whose sum is σ = 37140413842872. Its totient is φ = 24401431315968.

The previous prime is 30726067006969. The next prime is 30726067007023. The reversal of 30726067007005 is 50070076062703.

It can be written as a sum of positive squares in 4 ways, for example, as 9658159786564 + 21067907220441 = 3107758^2 + 4589979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30726067007005 - 221 = 30726064909853 is a prime.

It is a super-2 number, since 2×307260670070052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22427785452 + ... + 22427786821.

It is an arithmetic number, because the mean of its divisors is an integer number (4642551730359).

Almost surely, 230726067007005 is an apocalyptic number.

It is an amenable number.

30726067007005 is a deficient number, since it is larger than the sum of its proper divisors (6414346835867).

30726067007005 is a wasteful number, since it uses less digits than its factorization.

30726067007005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44855572415.

The product of its (nonzero) digits is 370440, while the sum is 43.

The spelling of 30726067007005 in words is "thirty trillion, seven hundred twenty-six billion, sixty-seven million, seven thousand, five".

Divisors: 1 5 137 685 44855572273 224277861365 6145213401401 30726067007005