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448961670013 = 2971353961613
BaseRepresentation
bin1101000100010000011…
…00110110101101111101
31120220211220120220122111
412202020030312231331
524323433141420023
6542130010414021
744302455141433
oct6421014665575
91526756526574
10448961670013
1116344918179a
1273018431311
133344c24050c
1417a30a48d53
15ba2a03a00d
hex6888336b7d

448961670013 has 16 divisors (see below), whose sum is σ = 471125289600. Its totient is φ = 427247181760.

The previous prime is 448961670011. The next prime is 448961670041. The reversal of 448961670013 is 310076169844.

It is not a de Polignac number, because 448961670013 - 21 = 448961670011 is a prime.

It is a super-2 number, since 2×4489616700132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448961670011) 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, 7255995 + ... + 7317607.

It is an arithmetic number, because the mean of its divisors is an integer number (29445330600).

Almost surely, 2448961670013 is an apocalyptic number.

It is an amenable number.

448961670013 is a deficient number, since it is larger than the sum of its proper divisors (22163619587).

448961670013 is a wasteful number, since it uses less digits than its factorization.

448961670013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65252.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 448961670013 in words is "four hundred forty-eight billion, nine hundred sixty-one million, six hundred seventy thousand, thirteen".

Divisors: 1 29 71 2059 3539 61613 102631 251269 1786777 4374523 7286801 126861167 218048407 6323403803 15481436897 448961670013