Search a number
-
+
30355103400 = 23352375325799
BaseRepresentation
bin11100010001010011…
…100001111010101000
32220100111111000122220
4130101103201322220
5444131401302100
621540035114040
72123141056506
oct342123417250
986314430586
1030355103400
1111967734516
125a71a42920
132b29b1715b
14167d683676
15bc9dbeaa0
hex7114e1ea8

30355103400 has 192 divisors, whose sum is σ = 98471376000. Its totient is φ = 7727016960.

The previous prime is 30355103381. The next prime is 30355103411. The reversal of 30355103400 is 430155303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1163701 + ... + 1189499.

It is an arithmetic number, because the mean of its divisors is an integer number (512871750).

Almost surely, 230355103400 is an apocalyptic number.

30355103400 is a gapful number since it is divisible by the number (30) 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 30355103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49235688000).

30355103400 is an abundant number, since it is smaller than the sum of its proper divisors (68116272600).

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

30355103400 is a wasteful number, since it uses less digits than its factorization.

30355103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25908 (or 25899 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 30355103400 its reverse (430155303), we get a palindrome (30785258703).

The spelling of 30355103400 in words is "thirty billion, three hundred fifty-five million, one hundred three thousand, four hundred".