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113030133021 = 3413157683701
BaseRepresentation
bin110100101000100011…
…1101111010100011101
3101210202021010200110000
41221101013233110131
53322441203224041
6123531512004513
711110664164341
oct1512107572435
9353667120400
10113030133021
1143a32621983
1219aa5690739
13a874201b20
1456837d1621
152e1813ebb6
hex1a511ef51d

113030133021 has 40 divisors (see below), whose sum is σ = 182994207704. Its totient is φ = 69113865600.

The previous prime is 113030132993. The next prime is 113030133071. The reversal of 113030133021 is 120331030311.

It is a happy number.

113030133021 is a `hidden beast` number, since 1 + 1 + 30 + 301 + 330 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8461976121 + 104568156900 = 91989^2 + 323370^2 .

It is not a de Polignac number, because 113030133021 - 25 = 113030132989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113030132985 and 113030133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113030133071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176530 + ... + 507171.

Almost surely, 2113030133021 is an apocalyptic number.

It is an amenable number.

113030133021 is a deficient number, since it is larger than the sum of its proper divisors (69964074683).

113030133021 is a wasteful number, since it uses less digits than its factorization.

113030133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683883 (or 683874 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113030133021 its reverse (120331030311), we get a palindrome (233361163332).

It can be divided in two parts, 113030 and 133021, that added together give a triangular number (246051 = T701).

The spelling of 113030133021 in words is "one hundred thirteen billion, thirty million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 3 9 13 27 39 81 117 157 351 471 1053 1413 2041 4239 6123 12717 18369 55107 165321 683701 2051103 6153309 8888113 18459927 26664339 55379781 79993017 107341057 239979051 322023171 719937153 966069513 1395433741 2898208539 4186301223 8694625617 12558903669 37676711007 113030133021