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3521420113 = 431511972753
BaseRepresentation
bin1101000111100100…
…1001101101010001
3100002102011200021011
43101321021231101
524202440420423
61341232130521
7153156401641
oct32171115521
910072150234
103521420113
111547828062
12823396a41
13441729253
14255976521
1515923db0d
hexd1e49b51

3521420113 has 16 divisors (see below), whose sum is σ = 3646912896. Its totient is φ = 3398169600.

The previous prime is 3521420099. The next prime is 3521420141. The reversal of 3521420113 is 3110241253.

It is a happy number.

3521420113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3521420113 - 225 = 3487865681 is a prime.

It is a super-2 number, since 2×35214201132 = 24800799224481865538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521420153) 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, 1277745 + ... + 1280497.

It is an arithmetic number, because the mean of its divisors is an integer number (227932056).

Almost surely, 23521420113 is an apocalyptic number.

It is an amenable number.

3521420113 is a deficient number, since it is larger than the sum of its proper divisors (125492783).

3521420113 is a wasteful number, since it uses less digits than its factorization.

3521420113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3521420113 is about 59341.5546897787. The cubic root of 3521420113 is about 1521.3855258240.

Adding to 3521420113 its reverse (3110241253), we get a palindrome (6631661366).

The spelling of 3521420113 in words is "three billion, five hundred twenty-one million, four hundred twenty thousand, one hundred thirteen".

Divisors: 1 43 151 197 2753 6493 8471 29747 118379 415703 542341 1279121 17875229 23320663 81893491 3521420113