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12750007222 = 2531071124141
BaseRepresentation
bin10111101111111010…
…11010101110110110
31012220120101110211201
423313331122232312
5202103000212342
65505100523114
7630646162501
oct136775325666
935816343751
1012750007222
115453057157
122579b5049a
131282662694
1488d492138
154e951edb7
hex2f7f5abb6

12750007222 has 16 divisors (see below), whose sum is σ = 19667988432. Its totient is φ = 6196259680.

The previous prime is 12750007217. The next prime is 12750007223. The reversal of 12750007222 is 22270005721.

It is a super-2 number, since 2×127500072222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750007223) 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, 550729 + ... + 573412.

It is an arithmetic number, because the mean of its divisors is an integer number (1229249277).

Almost surely, 212750007222 is an apocalyptic number.

12750007222 is a deficient number, since it is larger than the sum of its proper divisors (6917981210).

12750007222 is a wasteful number, since it uses less digits than its factorization.

12750007222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124303.

The product of its (nonzero) digits is 3920, while the sum is 28.

The spelling of 12750007222 in words is "twelve billion, seven hundred fifty million, seven thousand, two hundred twenty-two".

Divisors: 1 2 53 106 107 214 5671 11342 1124141 2248282 59579473 119158946 120283087 240566174 6375003611 12750007222