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15380470229 = 731877112249
BaseRepresentation
bin11100101001011111…
…10101100111010101
31110200220001211201112
432110233311213111
5222444400021404
611022104504405
71053066561035
oct162457654725
943626054645
1015380470229
116582968a23
122b92a7b105
1315b1610277
14a5c9838c5
1560041b56e
hex394bf59d5

15380470229 has 8 divisors (see below), whose sum is σ = 15599607000. Its totient is φ = 15161561856.

The previous prime is 15380470213. The next prime is 15380470271. The reversal of 15380470229 is 92207408351.

It can be written as a sum of positive squares in 4 ways, for example, as 7119478129 + 8260992100 = 84377^2 + 90890^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 15380470229 - 24 = 15380470213 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 (15380470429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80897 + ... + 193145.

It is an arithmetic number, because the mean of its divisors is an integer number (1949950875).

Almost surely, 215380470229 is an apocalyptic number.

It is an amenable number.

15380470229 is a deficient number, since it is larger than the sum of its proper divisors (219136771).

15380470229 is a wasteful number, since it uses less digits than its factorization.

15380470229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114199.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 15380470229 in words is "fifteen billion, three hundred eighty million, four hundred seventy thousand, two hundred twenty-nine".

Divisors: 1 73 1877 112249 137021 8194177 210691373 15380470229