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12293157152 = 25384161161
BaseRepresentation
bin10110111001011101…
…01011000100100000
31011201201202002100202
423130232223010200
5200134022012102
65351501004332
7613431053213
oct133456530440
934651662322
1012293157152
115239191a11
122470b536a8
13120bb07ab3
1484892d77a
154be37be02
hex2dcbab120

12293157152 has 12 divisors (see below), whose sum is σ = 24202153206. Its totient is φ = 6146578560.

The previous prime is 12293157143. The next prime is 12293157179. The reversal of 12293157152 is 25175139221.

It can be written as a sum of positive squares in only one way, i.e., 6424984336 + 5868172816 = 80156^2 + 76604^2 .

It is a super-2 number, since 2×122931571522 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192080549 + ... + 192080612.

Almost surely, 212293157152 is an apocalyptic number.

It is an amenable number.

12293157152 is a deficient number, since it is larger than the sum of its proper divisors (11908996054).

12293157152 is an equidigital number, since it uses as much as digits as its factorization.

12293157152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384161171 (or 384161163 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The spelling of 12293157152 in words is "twelve billion, two hundred ninety-three million, one hundred fifty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 384161161 768322322 1536644644 3073289288 6146578576 12293157152