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1920418296448 = 2717882545173
BaseRepresentation
bin11011111100100001110…
…110011011001010000000
320210120221020211102211011
4123330201312123022000
5222431004040441243
64030121124530304
7255513520120441
oct33744166331200
96716836742734
101920418296448
11680499077053
12270234250994
1310c12cca8a62
1468d3d4bd2c8
1534e4b5d889d
hex1bf21d9b280

1920418296448 has 32 divisors (see below), whose sum is σ = 4050882348660. Its totient is φ = 903726256128.

The previous prime is 1920418296421. The next prime is 1920418296449. The reversal of 1920418296448 is 8446928140291.

It can be written as a sum of positive squares in 2 ways, for example, as 1853279267904 + 67139028544 = 1361352^2 + 259112^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1920418296392 and 1920418296401.

It is not an unprimeable number, because it can be changed into a prime (1920418296449) 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, 441270411 + ... + 441274762.

Almost surely, 21920418296448 is an apocalyptic number.

It is an amenable number.

1920418296448 is an abundant number, since it is smaller than the sum of its proper divisors (2130464052212).

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

1920418296448 is an equidigital number, since it uses as much as digits as its factorization.

1920418296448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882545204 (or 882545192 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 1920418296448 in words is "one trillion, nine hundred twenty billion, four hundred eighteen million, two hundred ninety-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 882545173 1765090346 3530180692 7060361384 14120722768 15003267941 28241445536 30006535882 56482891072 60013071764 112965782144 120026143528 240052287056 480104574112 960209148224 1920418296448