Search a number
-
+
143031417408 = 2635113759383
BaseRepresentation
bin1000010100110101010…
…1100011101001000000
3111200012002211211200000
42011031111203221000
54320412020324113
6145412511400000
713222310662635
oct2051525435100
9450162754600
10143031417408
1155728562990
1223878b23000
13106459266c9
146ccc09218c
153ac1e1e373
hex214d563a40

143031417408 has 672 divisors, whose sum is σ = 485682462720. Its totient is φ = 41348413440.

The previous prime is 143031417407. The next prime is 143031417449. The reversal of 143031417408 is 804714130341.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (143031417401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 373449985 + ... + 373450367.

It is an arithmetic number, because the mean of its divisors is an integer number (722741760).

Almost surely, 2143031417408 is an apocalyptic number.

143031417408 is a gapful number since it is divisible by the number (18) 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 143031417408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242841231360).

143031417408 is an abundant number, since it is smaller than the sum of its proper divisors (342651045312).

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

143031417408 is a wasteful number, since it uses less digits than its factorization.

143031417408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 143031417408 its reverse (804714130341), we get a palindrome (947745547749).

The spelling of 143031417408 in words is "one hundred forty-three billion, thirty-one million, four hundred seventeen thousand, four hundred eight".