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155230472415 = 3510348698161
BaseRepresentation
bin1001000010010001110…
…1010000100011011111
3112211200021112001011010
42100210131100203133
510020403000104130
6155151211430303
714133520146654
oct2204435204337
9484607461133
10155230472415
115a918611527
1226102455393
131183b0a4355
1477282c7c2b
154087dae0b0
hex24247508df

155230472415 has 8 divisors (see below), whose sum is σ = 248368755888. Its totient is φ = 82789585280.

The previous prime is 155230472251. The next prime is 155230472417. The reversal of 155230472415 is 514274032551.

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

It is not a de Polignac number, because 155230472415 - 212 = 155230468319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155230472417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174349066 + ... + 5174349095.

It is an arithmetic number, because the mean of its divisors is an integer number (31046094486).

Almost surely, 2155230472415 is an apocalyptic number.

155230472415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155230472415 is a deficient number, since it is larger than the sum of its proper divisors (93138283473).

155230472415 is a wasteful number, since it uses less digits than its factorization.

155230472415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348698169.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 155230472415 in words is "one hundred fifty-five billion, two hundred thirty million, four hundred seventy-two thousand, four hundred fifteen".

Divisors: 1 3 5 15 10348698161 31046094483 51743490805 155230472415