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1530145216 = 2623908519
BaseRepresentation
bin101101100110100…
…0010100111000000
310221122020102122001
41123031002213000
511113204121331
6411500153344
752630006525
oct13315024700
93848212561
101530145216
117157aa826
12368538854
131b5018392
1410730d14c
158e501561
hex5b3429c0

1530145216 has 14 divisors (see below), whose sum is σ = 3036382040. Its totient is φ = 765072576.

The previous prime is 1530145193. The next prime is 1530145277. The reversal of 1530145216 is 6125410351.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11954196 + ... + 11954323.

Almost surely, 21530145216 is an apocalyptic number.

1530145216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1530145216 is a deficient number, since it is larger than the sum of its proper divisors (1506236824).

1530145216 is an equidigital number, since it uses as much as digits as its factorization.

1530145216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23908531 (or 23908521 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1530145216 is about 39117.0706469695. The cubic root of 1530145216 is about 1152.3318070706.

Adding to 1530145216 its reverse (6125410351), we get a palindrome (7655555567).

The spelling of 1530145216 in words is "one billion, five hundred thirty million, one hundred forty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 23908519 47817038 95634076 191268152 382536304 765072608 1530145216