Search a number
-
+
29670989537280 = 2133572132316481
BaseRepresentation
bin1101011111100010100001…
…10010101010000000000000
310220001112000021110112022210
412233301100302222000000
512342112141310143110
6143034355303102120
76151441531531200
oct657612062520000
9126045007415283
1029670989537280
1194aa43a088833
1233b252a441940
131372c68261390
147481253c6400
15366c25807520
hex1afc50caa000

29670989537280 has 1344 divisors, whose sum is σ = 124116270098688. Its totient is φ = 5987704504320.

The previous prime is 29670989537261. The next prime is 29670989537297. The reversal of 29670989537280 is 8273598907692.

It is a tau number, because it is divible by the number of its divisors (1344).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1800306640 + ... + 1800323120.

It is an arithmetic number, because the mean of its divisors is an integer number (92348415252).

Almost surely, 229670989537280 is an apocalyptic number.

29670989537280 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 29670989537280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62058135049344).

29670989537280 is an abundant number, since it is smaller than the sum of its proper divisors (94445280561408).

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

29670989537280 is a wasteful number, since it uses less digits than its factorization.

29670989537280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565 (or 16534 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 75.

The spelling of 29670989537280 in words is "twenty-nine trillion, six hundred seventy billion, nine hundred eighty-nine million, five hundred thirty-seven thousand, two hundred eighty".