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30541235340 = 223571131213247
BaseRepresentation
bin11100011100011001…
…100100010010001100
32220211110201111200110
4130130121210102030
51000022024012330
622010324400020
72130561134310
oct343431442214
986743644613
1030541235340
1111a52805170
125b04246010
132b595570b5
14169a295b40
15bdb3d9db0
hex71c66448c

30541235340 has 192 divisors, whose sum is σ = 110056439808. Its totient is φ = 6141484800.

The previous prime is 30541235287. The next prime is 30541235429. The reversal of 30541235340 is 4353214503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30541235298 and 30541235307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36597 + ... + 249843.

It is an arithmetic number, because the mean of its divisors is an integer number (573210624).

Almost surely, 230541235340 is an apocalyptic number.

30541235340 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 30541235340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55028219904).

30541235340 is an abundant number, since it is smaller than the sum of its proper divisors (79515204468).

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

30541235340 is a wasteful number, since it uses less digits than its factorization.

30541235340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213308 (or 213306 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 30541235340 its reverse (4353214503), we get a palindrome (34894449843).

The spelling of 30541235340 in words is "thirty billion, five hundred forty-one million, two hundred thirty-five thousand, three hundred forty".