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30046520400 = 24352134794021
BaseRepresentation
bin11011111110111010…
…011000010001010000
32212112222211101100220
4123332322120101100
5443013402123100
621445253113040
72112403131561
oct337672302120
985488741326
1030046520400
1111819528546
1259a6628780
132aaac02770
1416506b8168
15bacc67aa0
hex6fee98450

30046520400 has 240 divisors, whose sum is σ = 103895016960. Its totient is φ = 7378790400.

The previous prime is 30046520393. The next prime is 30046520411. The reversal of 30046520400 is 402564003.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

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, 7470390 + ... + 7474410.

It is an arithmetic number, because the mean of its divisors is an integer number (432895904).

Almost surely, 230046520400 is an apocalyptic number.

30046520400 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 30046520400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51947508480).

30046520400 is an abundant number, since it is smaller than the sum of its proper divisors (73848496560).

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

30046520400 is a wasteful number, since it uses less digits than its factorization.

30046520400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4523 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 30046520400 in words is "thirty billion, forty-six million, five hundred twenty thousand, four hundred".