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13441835920 = 245557301657
BaseRepresentation
bin11001000010011001…
…00010001110010000
31021200210012000101211
430201030202032100
5210012102222140
610101453105504
7654046502002
oct144114421620
937623160354
1013441835920
115778625307
122731788294
131362aa0686
14917300372
1553a12b2ea
hex321322390

13441835920 has 40 divisors (see below), whose sum is σ = 31308480504. Its totient is φ = 5367063552.

The previous prime is 13441835903. The next prime is 13441835921. The reversal of 13441835920 is 2953814431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2469692416 + 10972143504 = 49696^2 + 104748^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13441835921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106269 + ... + 195388.

Almost surely, 213441835920 is an apocalyptic number.

13441835920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13441835920 is an abundant number, since it is smaller than the sum of its proper divisors (17866644584).

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

13441835920 is a wasteful number, since it uses less digits than its factorization.

13441835920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302227 (or 302221 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 13441835920 in words is "thirteen billion, four hundred forty-one million, eight hundred thirty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 557 1114 2228 2785 4456 5570 8912 11140 22280 44560 301657 603314 1206628 1508285 2413256 3016570 4826512 6033140 12066280 24132560 168022949 336045898 672091796 840114745 1344183592 1680229490 2688367184 3360458980 6720917960 13441835920