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13013444100 = 22352139312073
BaseRepresentation
bin11000001111010100…
…10110011000000100
31020120221002110022010
430013222112120010
5203122420202400
65551151134220
7640325310156
oct140752263004
936527073263
1013013444100
115578828188
122632214370
1312c50cb0a7
148b6468ad6
1551270a450
hex307a96604

13013444100 has 72 divisors (see below), whose sum is σ = 37923232480. Its totient is φ = 3445274880.

The previous prime is 13013444063. The next prime is 13013444107. The reversal of 13013444100 is 144431031.

It is not an unprimeable number, because it can be changed into a prime (13013444107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114337 + ... + 197736.

Almost surely, 213013444100 is an apocalyptic number.

13013444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013444100 is an abundant number, since it is smaller than the sum of its proper divisors (24909788380).

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

13013444100 is a wasteful number, since it uses less digits than its factorization.

13013444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312229 (or 312222 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13013444100 its reverse (144431031), we get a palindrome (13157875131).

The spelling of 13013444100 in words is "thirteen billion, thirteen million, four hundred forty-four thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 139 150 278 300 417 556 695 834 1390 1668 2085 2780 3475 4170 6950 8340 10425 13900 20850 41700 312073 624146 936219 1248292 1560365 1872438 3120730 3744876 4681095 6241460 7801825 9362190 15603650 18724380 23405475 31207300 43378147 46810950 86756294 93621900 130134441 173512588 216890735 260268882 433781470 520537764 650672205 867562940 1084453675 1301344410 2168907350 2602688820 3253361025 4337814700 6506722050 13013444100