Search a number
-
+
34013620305 = 3357170921061
BaseRepresentation
bin11111101011010111…
…101010100001010001
310020210110121221101000
4133223113222201101
51024124441322210
623343045532213
72312614000530
oct375327524121
9106713557330
1034013620305
1113474890405
126713114069
133290a75162
141909506317
15d4118eac0
hex7eb5ea851

34013620305 has 64 divisors (see below), whose sum is σ = 69150758400. Its totient is φ = 15539247360.

The previous prime is 34013620261. The next prime is 34013620307. The reversal of 34013620305 is 50302631043.

It is a happy number.

34013620305 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 3 + 620 + 30 + 5 = 666.

It is not a de Polignac number, because 34013620305 - 211 = 34013618257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34013620307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1604475 + ... + 1625535.

It is an arithmetic number, because the mean of its divisors is an integer number (1080480600).

Almost surely, 234013620305 is an apocalyptic number.

34013620305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34013620305 is an abundant number, since it is smaller than the sum of its proper divisors (35137138095).

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

34013620305 is a wasteful number, since it uses less digits than its factorization.

34013620305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22791 (or 22785 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 34013620305 in words is "thirty-four billion, thirteen million, six hundred twenty thousand, three hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 1709 5127 8545 11963 15381 21061 25635 35889 46143 59815 63183 76905 105305 107667 147427 179445 189549 230715 315915 323001 442281 538335 568647 737135 947745 1326843 1615005 2211405 2843235 3980529 6634215 19902645 35993249 107979747 179966245 251952743 323939241 539898735 755858229 971817723 1259763715 1619696205 2267574687 3779291145 4859088615 6802724061 11337873435 34013620305