Search a number
-
+
29470019155200 = 28325213311269559
BaseRepresentation
bin1101011001101100001100…
…00001011111010100000000
310212100022021022020022212100
412230312012001133110000
512330314044400431300
6142402201230230400
76131065355501001
oct654660601372400
9125308238208770
1029470019155200
11943218a593178
12337b5a1955400
13135a01aba5130
1473c4dc4a71a8
153618b20a2700
hex1acd8605f500

29470019155200 has 648 divisors, whose sum is σ = 117127046167040. Its totient is φ = 7020147916800.

The previous prime is 29470019155153. The next prime is 29470019155211. The reversal of 29470019155200 is 255191007492.

29470019155200 is a `hidden beast` number, since 2 + 9 + 4 + 7 + 0 + 0 + 1 + 91 + 552 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 71 ways as a sum of consecutive naturals, for example, 22578021 + ... + 23847579.

Almost surely, 229470019155200 is an apocalyptic number.

29470019155200 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 29470019155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58563523083520).

29470019155200 is an abundant number, since it is smaller than the sum of its proper divisors (87657027011840).

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

29470019155200 is a wasteful number, since it uses less digits than its factorization.

29470019155200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269635 (or 1269613 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 29470019155200 in words is "twenty-nine trillion, four hundred seventy billion, nineteen million, one hundred fifty-five thousand, two hundred".