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151212463 = 712129753
BaseRepresentation
bin10010000001101…
…01000110101111
3101112112101111121
421000311012233
5302202244323
623001001411
73514166443
oct1100650657
9345471447
10151212463
11783a0186
1242783267
1325434a3c
1416122823
15d41da5d
hex90351af

151212463 has 4 divisors (see below), whose sum is σ = 153342288. Its totient is φ = 149082640.

The previous prime is 151212461. The next prime is 151212497. The reversal of 151212463 is 364212151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151212463 - 21 = 151212461 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 (151212461) 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 3 ways as a sum of consecutive naturals, for example, 1064806 + ... + 1064947.

It is an arithmetic number, because the mean of its divisors is an integer number (38335572).

Almost surely, 2151212463 is an apocalyptic number.

151212463 is a deficient number, since it is larger than the sum of its proper divisors (2129825).

151212463 is an equidigital number, since it uses as much as digits as its factorization.

151212463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129824.

The product of its digits is 1440, while the sum is 25.

The square root of 151212463 is about 12296.8476854843. The cubic root of 151212463 is about 532.7570381402.

The spelling of 151212463 in words is "one hundred fifty-one million, two hundred twelve thousand, four hundred sixty-three".

Divisors: 1 71 2129753 151212463