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139446705736448 = 28113117388310457
BaseRepresentation
bin11111101101001101110111…
…010111000100101100000000
3200021201222022200110201200122
4133231031313113010230000
5121234143323132031243
61212324533210435412
741241456235452635
oct3755156727045400
9607658280421618
10139446705736448
114048301a024840
1213781857732b68
135ca69ca19b946
14266138405218c
15111c4debe5668
hex7ed3775c4b00

139446705736448 has 288 divisors, whose sum is σ = 315647442819072. Its totient is φ = 60910733721600.

The previous prime is 139446705736421. The next prime is 139446705736487. The reversal of 139446705736448 is 844637507644931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13335244436 + ... + 13335254892.

It is an arithmetic number, because the mean of its divisors is an integer number (1095998065344).

Almost surely, 2139446705736448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139446705736448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157823721409536).

139446705736448 is an abundant number, since it is smaller than the sum of its proper divisors (176200737082624).

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

139446705736448 is a wasteful number, since it uses less digits than its factorization.

139446705736448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571 (or 11557 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 71.

The spelling of 139446705736448 in words is "one hundred thirty-nine trillion, four hundred forty-six billion, seven hundred five million, seven hundred thirty-six thousand, four hundred forty-eight".