Search a number
-
+
29413063680 = 21035711131913
BaseRepresentation
bin11011011001001001…
…111011110000000000
32210220211212110002220
4123121021323300000
5440214221014210
621302344011040
72060611626150
oct333111736000
983824773086
1029413063680
11115239a90a0
12584a460a80
132a098c16c0
1415d0502760
15b7233bc70
hex6d927bc00

29413063680 has 704 divisors, whose sum is σ = 126377653248. Its totient is φ = 5638717440.

The previous prime is 29413063643. The next prime is 29413063681. The reversal of 29413063680 is 8636031492.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29413063681) 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, 15374404 + ... + 15376316.

It is an arithmetic number, because the mean of its divisors is an integer number (179513712).

Almost surely, 229413063680 is an apocalyptic number.

29413063680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29413063680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63188826624).

29413063680 is an abundant number, since it is smaller than the sum of its proper divisors (96964589568).

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

29413063680 is a wasteful number, since it uses less digits than its factorization.

29413063680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 29413063680 in words is "twenty-nine billion, four hundred thirteen million, sixty-three thousand, six hundred eighty".