Search a number
-
+
29306390400 = 27325272191093
BaseRepresentation
bin11011010010110011…
…000000011110000000
32210122102010212212200
4123102303000132000
5440004413443100
621244013353200
72055145131300
oct332263003600
983572125780
1029306390400
1111479769961
12581a798800
1329c0782611
1415c0295600
15b67cb9e00
hex6d2cc0780

29306390400 has 864 divisors, whose sum is σ = 128164397400. Its totient is φ = 6340239360.

The previous prime is 29306390371. The next prime is 29306390411. The reversal of 29306390400 is 409360392.

It is a happy number.

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 107 ways as a sum of consecutive naturals, for example, 26812254 + ... + 26813346.

Almost surely, 229306390400 is an apocalyptic number.

29306390400 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 29306390400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64082198700).

29306390400 is an abundant number, since it is smaller than the sum of its proper divisors (98858007000).

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

29306390400 is a wasteful number, since it uses less digits than its factorization.

29306390400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 29306390400 in words is "twenty-nine billion, three hundred six million, three hundred ninety thousand, four hundred".