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15070212127 = 62292419363
BaseRepresentation
bin11100000100100000…
…10011000000011111
31102220021021002121201
432002100103000133
5221330433242002
610531222540331
71042311455335
oct160220230037
942807232551
1015070212127
116433818473
122b06b976a7
1315622602a9
14a2d69db55
155d3083087
hex38241301f

15070212127 has 4 divisors (see below), whose sum is σ = 15072637720. Its totient is φ = 15067786536.

The previous prime is 15070212041. The next prime is 15070212137. The reversal of 15070212127 is 72121207051.

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 15070212127 - 219 = 15069687839 is a prime.

It is a super-2 number, since 2×150702121272 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15070212095 and 15070212104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15070212137) 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, 1203453 + ... + 1215910.

It is an arithmetic number, because the mean of its divisors is an integer number (3768159430).

Almost surely, 215070212127 is an apocalyptic number.

15070212127 is a deficient number, since it is larger than the sum of its proper divisors (2425593).

15070212127 is an equidigital number, since it uses as much as digits as its factorization.

15070212127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425592.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 15070212127 its reverse (72121207051), we get a palindrome (87191419178).

The spelling of 15070212127 in words is "fifteen billion, seventy million, two hundred twelve thousand, one hundred twenty-seven".

Divisors: 1 6229 2419363 15070212127