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448905494748 = 22337408791229
BaseRepresentation
bin1101000100001001101…
…10100100000011011100
31120220200222212220200010
412202010312210003130
524323324301312443
6542120242403220
744301203514234
oct6420466440334
91526628786603
10448905494748
1116341a4a3457
1273001660510
1333440702409
1417a273c4cc4
15ba25140733
hex6884da40dc

448905494748 has 12 divisors (see below), whose sum is σ = 1047446154440. Its totient is φ = 149635164912.

The previous prime is 448905494711. The next prime is 448905494749. The reversal of 448905494748 is 847494509844.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4489054947482 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448905494749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18704395603 + ... + 18704395626.

Almost surely, 2448905494748 is an apocalyptic number.

It is an amenable number.

448905494748 is an abundant number, since it is smaller than the sum of its proper divisors (598540659692).

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

448905494748 is a wasteful number, since it uses less digits than its factorization.

448905494748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37408791236 (or 37408791234 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 448905494748 in words is "four hundred forty-eight billion, nine hundred five million, four hundred ninety-four thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 37408791229 74817582458 112226373687 149635164916 224452747374 448905494748