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151012510221 = 367751306021
BaseRepresentation
bin1000110010100100001…
…1000000101000001101
3112102210022200100210010
42030221003000220031
54433233200311341
6153212454103433
713624142105046
oct2145103005015
9472708610703
10151012510221
1159053697061
122532594ab79
1311318279931
1474480378cd
153ddc932716
hex23290c0a0d

151012510221 has 8 divisors (see below), whose sum is σ = 204355237984. Its totient is φ = 99172394640.

The previous prime is 151012510193. The next prime is 151012510309. The reversal of 151012510221 is 122015210151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151012510221 - 217 = 151012379149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151012514221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375652810 + ... + 375653211.

It is an arithmetic number, because the mean of its divisors is an integer number (25544404748).

Almost surely, 2151012510221 is an apocalyptic number.

It is an amenable number.

151012510221 is a deficient number, since it is larger than the sum of its proper divisors (53342727763).

151012510221 is an equidigital number, since it uses as much as digits as its factorization.

151012510221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751306091.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 151012510221 its reverse (122015210151), we get a palindrome (273027720372).

The spelling of 151012510221 in words is "one hundred fifty-one billion, twelve million, five hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 67 201 751306021 2253918063 50337503407 151012510221