Search a number
-
+
29030954400 = 253252717311093
BaseRepresentation
bin11011000010011000…
…010011010110100000
32202221012212021201100
4123002120103112200
5433423411020100
621200414034400
72045262020010
oct330230232640
982835767640
1029030954400
11113482427a8
1257624a8a00
1329786a5436
141595877c40
15b4da0e400
hex6c26135a0

29030954400 has 864 divisors, whose sum is σ = 127989808128. Its totient is φ = 6038323200.

The previous prime is 29030954377. The next prime is 29030954461. The reversal of 29030954400 is 445903092.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 26560254 + ... + 26561346.

It is an arithmetic number, because the mean of its divisors is an integer number (148136352).

Almost surely, 229030954400 is an apocalyptic number.

29030954400 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 29030954400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63994904064).

29030954400 is an abundant number, since it is smaller than the sum of its proper divisors (98958853728).

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

29030954400 is a wasteful number, since it uses less digits than its factorization.

29030954400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 29030954400 in words is "twenty-nine billion, thirty million, nine hundred fifty-four thousand, four hundred".