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13013212330 = 251741974707
BaseRepresentation
bin11000001111010010…
…11101110010101010
31020120220122200101001
430013221131302222
5203122340243310
65551142145214
7640323323356
oct140751356252
936526580331
1013013212330
11557868a038
12263212220a
1312c5049751
148b6408466
155126b193a
hex307a5dcaa

13013212330 has 16 divisors (see below), whose sum is σ = 23425440480. Its totient is φ = 5204916432.

The previous prime is 13013212327. The next prime is 13013212357. The reversal of 13013212330 is 3321231031.

It is a junction number, because it is equal to n+sod(n) for n = 13013212298 and 13013212307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136837 + ... + 211543.

It is an arithmetic number, because the mean of its divisors is an integer number (1464090030).

Almost surely, 213013212330 is an apocalyptic number.

13013212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013212330 is a deficient number, since it is larger than the sum of its proper divisors (10412228150).

13013212330 is a wasteful number, since it uses less digits than its factorization.

13013212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92133.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13013212330 its reverse (3321231031), we get a palindrome (16334443361).

The spelling of 13013212330 in words is "thirteen billion, thirteen million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 17419 34838 74707 87095 149414 174190 373535 747070 1301321233 2602642466 6506606165 13013212330