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151530321430 = 2561413960017
BaseRepresentation
bin1000110100011111101…
…0010011011000010110
3112111010102000220020001
42031013322103120112
54440313230241210
6153340112401514
713643030323525
oct2150772233026
9474112026201
10151530321430
1159299a09304
122544b24629a
131139b629ab7
147496b084bc
153e1d11803a
hex2347e93616

151530321430 has 32 divisors (see below), whose sum is σ = 277297564320. Its totient is φ = 59603089920.

The previous prime is 151530321403. The next prime is 151530321433. The reversal of 151530321430 is 34123035151.

It is a happy number.

151530321430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1515303214302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151530321433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2494782 + ... + 2554798.

It is an arithmetic number, because the mean of its divisors is an integer number (8665548885).

Almost surely, 2151530321430 is an apocalyptic number.

151530321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151530321430 is a deficient number, since it is larger than the sum of its proper divisors (125767242890).

151530321430 is a wasteful number, since it uses less digits than its factorization.

151530321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64224.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 151530321430 its reverse (34123035151), we get a palindrome (185653356581).

The spelling of 151530321430 in words is "one hundred fifty-one billion, five hundred thirty million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 4139 8278 20695 41390 60017 120034 252479 300085 504958 600170 1262395 2524790 3661037 7322074 18305185 36610370 248410363 496820726 1242051815 2484103630 15153032143 30306064286 75765160715 151530321430