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25830830271912 = 2337188117206513
BaseRepresentation
bin1011101111110001101010…
…11101100110110110101000
310101110101212222022110101020
411313320311131212312220
511341203020022200122
6130534304122452440
75304134024411541
oct567706535466650
9111411788273336
1025830830271912
118259880309956
122a92230964120
131154ab570b2c3
1465430c77d4c8
152ebdbc329c5c
hex177e35766da8

25830830271912 has 64 divisors (see below), whose sum is σ = 65560947903360. Its totient is φ = 8479369113600.

The previous prime is 25830830271901. The next prime is 25830830271913. The reversal of 25830830271912 is 21917203803852.

It is a super-2 number, since 2×258308302719122 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25830830271913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7102033 + ... + 10104480.

It is an arithmetic number, because the mean of its divisors is an integer number (1024389810990).

Almost surely, 225830830271912 is an apocalyptic number.

It is an amenable number.

25830830271912 is an abundant number, since it is smaller than the sum of its proper divisors (39730117631448).

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

25830830271912 is a wasteful number, since it uses less digits than its factorization.

25830830271912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17207474 (or 17207470 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 25830830271912 in words is "twenty-five trillion, eight hundred thirty billion, eight hundred thirty million, two hundred seventy-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 881 1704 1762 2643 3524 5286 7048 10572 21144 62551 125102 187653 250204 375306 500408 750612 1501224 17206513 34413026 51619539 68826052 103239078 137652104 206478156 412956312 1221662423 2443324846 3664987269 4886649692 7329974538 9773299384 14659949076 15158937953 29319898152 30317875906 45476813859 60635751812 90953627718 121271503624 181907255436 363814510872 1076284594663 2152569189326 3228853783989 4305138378652 6457707567978 8610276757304 12915415135956 25830830271912