Search a number
-
+
29667741143040 = 21233572111321931
BaseRepresentation
bin1101011111011100011110…
…01011000001000000000000
310220001012121220001000011000
412233232033023001000000
512342034013213034130
6143033101102452000
76151265165612100
oct657561713010000
9126035556030130
1029667741143040
1194a90224910a0
1233b1982594000
13137286b27a300
14747cd7c01200
15366ad554a260
hex1afb8f2c1000

29667741143040 has 7488 divisors, whose sum is σ = 157483599667200. Its totient is φ = 5217111244800.

The previous prime is 29667741142993. The next prime is 29667741143093. The reversal of 29667741143040 is 4034114776692.

29667741143040 is a `hidden beast` number, since 2 + 9 + 66 + 77 + 41 + 1 + 430 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (7488).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 957023907825 + ... + 957023907855.

Almost surely, 229667741143040 is an apocalyptic number.

29667741143040 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 29667741143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78741799833600).

29667741143040 is an abundant number, since it is smaller than the sum of its proper divisors (127815858524160).

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

29667741143040 is a wasteful number, since it uses less digits than its factorization.

29667741143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

It can be divided in two parts, 29667741 and 143040, that added together give a triangular number (29810781 = T7721).

The spelling of 29667741143040 in words is "twenty-nine trillion, six hundred sixty-seven billion, seven hundred forty-one million, one hundred forty-three thousand, forty".