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13521201412 = 2237380324023
BaseRepresentation
bin11001001011110110…
…10010100100000100
31021220022112012101111
430211323102210010
5210142411421122
610113410134404
7656032213165
oct144573224404
937808465344
1013521201412
115809402824
122754281404
13137636acc4
14923a7d76c
155420a6d77
hex325ed2904

13521201412 has 24 divisors (see below), whose sum is σ = 24309020736. Its totient is φ = 6575878368.

The previous prime is 13521201409. The next prime is 13521201443. The reversal of 13521201412 is 21410212531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550833 + ... + 574855.

It is an arithmetic number, because the mean of its divisors is an integer number (1012875864).

Almost surely, 213521201412 is an apocalyptic number.

It is an amenable number.

13521201412 is a deficient number, since it is larger than the sum of its proper divisors (10787819324).

13521201412 is a wasteful number, since it uses less digits than its factorization.

13521201412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27867 (or 27865 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 13521201412 its reverse (21410212531), we get a palindrome (34931413943).

The spelling of 13521201412 in words is "thirteen billion, five hundred twenty-one million, two hundred one thousand, four hundred twelve".

Divisors: 1 2 4 37 74 148 3803 7606 15212 24023 48046 96092 140711 281422 562844 888851 1777702 3555404 91359469 182718938 365437876 3380300353 6760600706 13521201412