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30135250272 = 253394779531
BaseRepresentation
bin11100000100001100…
…110110110101100000
32212210011210022212110
4130010030312311200
5443204111002042
621502142555320
72114531254341
oct340414666540
985704708773
1030135250272
1111864621616
125a10298b40
132ac33cb54a
14165c3b40c8
15bb594309c
hex704336d60

30135250272 has 48 divisors (see below), whose sum is σ = 79126068672. Its totient is φ = 10042412160.

The previous prime is 30135250261. The next prime is 30135250273. The reversal of 30135250272 is 27205253103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135250273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339147 + ... + 418677.

It is an arithmetic number, because the mean of its divisors is an integer number (1648459764).

Almost surely, 230135250272 is an apocalyptic number.

30135250272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30135250272 is an abundant number, since it is smaller than the sum of its proper divisors (48990818400).

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

30135250272 is a wasteful number, since it uses less digits than its factorization.

30135250272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83491 (or 83483 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The spelling of 30135250272 in words is "thirty billion, one hundred thirty-five million, two hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 3947 7894 11841 15788 23682 31576 47364 63152 79531 94728 126304 159062 189456 238593 318124 378912 477186 636248 954372 1272496 1908744 2544992 3817488 7634976 313908857 627817714 941726571 1255635428 1883453142 2511270856 3766906284 5022541712 7533812568 10045083424 15067625136 30135250272