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12303542552 = 237297576073
BaseRepresentation
bin10110111010101100…
…10010100100011000
31011202110021201110012
423131112102210120
5200144201330202
65352511341052
7613615246310
oct133526224430
934673251405
1012303542552
115244035694
122474521788
131211002bc2
1484a074440
154c022e152
hex2dd592918

12303542552 has 32 divisors (see below), whose sum is σ = 27273866400. Its totient is φ = 5091120384.

The previous prime is 12303542543. The next prime is 12303542593. The reversal of 12303542552 is 25524530321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786413 + ... + 3789660.

It is an arithmetic number, because the mean of its divisors is an integer number (852308325).

Almost surely, 212303542552 is an apocalyptic number.

It is an amenable number.

12303542552 is an abundant number, since it is smaller than the sum of its proper divisors (14970323848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303542552 is a wasteful number, since it uses less digits than its factorization.

12303542552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576115 (or 7576111 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 12303542552 in words is "twelve billion, three hundred three million, five hundred forty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 7576073 15152146 30304292 53032511 60608584 106065022 212130044 219706117 424260088 439412234 878824468 1537942819 1757648936 3075885638 6151771276 12303542552