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13420215130 = 257266371993
BaseRepresentation
bin11000111111110100…
…00011101101011010
31021122021111120020211
430133322003231122
5204441033341010
610055401441334
7653364642430
oct143772035532
937567446224
1013420215130
1157673a8293
1227264a024a
13135b4705ca
149144b2d50
155382aa08a
hex31fe83b5a

13420215130 has 32 divisors (see below), whose sum is σ = 27618050304. Its totient is φ = 4599424896.

The previous prime is 13420215121. The next prime is 13420215163. The reversal of 13420215130 is 3151202431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150414 + ... + 222406.

It is an arithmetic number, because the mean of its divisors is an integer number (863064072).

Almost surely, 213420215130 is an apocalyptic number.

13420215130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13420215130 is an abundant number, since it is smaller than the sum of its proper divisors (14197835174).

13420215130 is a wasteful number, since it uses less digits than its factorization.

13420215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74670.

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

Adding to 13420215130 its reverse (3151202431), we get a palindrome (16571417561).

The spelling of 13420215130 in words is "thirteen billion, four hundred twenty million, two hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2663 5326 13315 18641 26630 37282 71993 93205 143986 186410 359965 503951 719930 1007902 2519755 5039510 191717359 383434718 958586795 1342021513 1917173590 2684043026 6710107565 13420215130