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15214530242 = 289358123869
BaseRepresentation
bin11100010101101101…
…10100111011000010
31110021022211012212002
432022312310323002
5222124404431432
610553420104002
71046013242012
oct161266647302
943238735762
1015214530242
1164a822983a
122b47395002
13158611cc22
14a44909c42
155e0a8de62
hex38adb4ec2

15214530242 has 16 divisors (see below), whose sum is σ = 23085631800. Its totient is φ = 7519374720.

The previous prime is 15214530241. The next prime is 15214530263. The reversal of 15214530242 is 24203541251.

It can be written as a sum of positive squares in 4 ways, for example, as 14711021521 + 503508721 = 121289^2 + 22439^2 .

It is not an unprimeable number, because it can be changed into a prime (15214530241) 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, 625484 + ... + 649352.

Almost surely, 215214530242 is an apocalyptic number.

15214530242 is a deficient number, since it is larger than the sum of its proper divisors (7871101558).

15214530242 is a wasteful number, since it uses less digits than its factorization.

15214530242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27541.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 15214530242 in words is "fifteen billion, two hundred fourteen million, five hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 89 178 3581 7162 23869 47738 318709 637418 2124341 4248682 85474889 170949778 7607265121 15214530242