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13049409400 = 235283786109
BaseRepresentation
bin11000010011100111…
…00010111101111000
31020200102202200102021
430021303202331320
5203211122100100
65554514044224
7641243102236
oct141163427570
936612680367
1013049409400
115597062475
122642279674
1312cc6b1331
148bb14b956
15515961a1a
hex309ce2f78

13049409400 has 48 divisors (see below), whose sum is σ = 30705456600. Its totient is φ = 5156868480.

The previous prime is 13049409367. The next prime is 13049409403. The reversal of 13049409400 is 490494031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13049409403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376455 + ... + 409654.

Almost surely, 213049409400 is an apocalyptic number.

13049409400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13049409400 is an abundant number, since it is smaller than the sum of its proper divisors (17656047200).

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

13049409400 is a wasteful number, since it uses less digits than its factorization.

13049409400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786208 (or 786199 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13049409400 in words is "thirteen billion, forty-nine million, four hundred nine thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 83 100 166 200 332 415 664 830 1660 2075 3320 4150 8300 16600 786109 1572218 3144436 3930545 6288872 7861090 15722180 19652725 31444360 39305450 65247047 78610900 130494094 157221800 260988188 326235235 521976376 652470470 1304940940 1631176175 2609881880 3262352350 6524704700 13049409400