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427680386253 = 324161173109829
BaseRepresentation
bin1100011100100111011…
…11001100110011001101
31111212220210002200111200
412032103233030303031
524001342134330003
6524250150540113
742620214205401
oct6162357146315
91455823080450
10427680386253
1115541847927a
126aa79367639
133143a281913
14169b2515101
15b1d1a796a3
hex6393bccccd

427680386253 has 48 divisors (see below), whose sum is σ = 646925937840. Its totient is φ = 272021990400.

The previous prime is 427680386219. The next prime is 427680386261. The reversal of 427680386253 is 352683086724.

427680386253 is a `hidden beast` number, since 4 + 2 + 7 + 6 + 8 + 0 + 3 + 8 + 625 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 66145152969 + 361535233284 = 257187^2 + 601278^2 .

It is not a de Polignac number, because 427680386253 - 238 = 152802479309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427680386253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427680386213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3839143 + ... + 3948971.

It is an arithmetic number, because the mean of its divisors is an integer number (13477623705).

Almost surely, 2427680386253 is an apocalyptic number.

It is an amenable number.

427680386253 is a deficient number, since it is larger than the sum of its proper divisors (219245551587).

427680386253 is a wasteful number, since it uses less digits than its factorization.

427680386253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110110 (or 110107 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 427680386253 in words is "four hundred twenty-seven billion, six hundred eighty million, three hundred eighty-six thousand, two hundred fifty-three".

Divisors: 1 3 9 41 61 123 173 183 369 519 549 1557 2501 7093 7503 10553 21279 22509 31659 63837 94977 109829 329487 432673 988461 1298019 3894057 4502989 6699569 13508967 19000417 20098707 40526901 57001251 60296121 171003753 274682329 779017097 824046987 1159025437 2337051291 2472140961 3477076311 7011153873 10431228933 47520042917 142560128751 427680386253