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13211020202 = 231673180313
BaseRepresentation
bin11000100110111000…
…00010101110101010
31021002200212100202112
430103130002232222
5204024010121302
610022530002322
7645244550612
oct142334025652
937080770675
1013211020202
11566a305016
1226884163a2
131327017023
148d47b9a42
15524c36552
hex313702baa

13211020202 has 16 divisors (see below), whose sum is σ = 20761089792. Its totient is φ = 6297017760.

The previous prime is 13211020153. The next prime is 13211020211. The reversal of 13211020202 is 20202011231.

It is a happy number.

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, 1586003 + ... + 1594310.

It is an arithmetic number, because the mean of its divisors is an integer number (1297568112).

Almost surely, 213211020202 is an apocalyptic number.

13211020202 is a deficient number, since it is larger than the sum of its proper divisors (7550069590).

13211020202 is a wasteful number, since it uses less digits than its factorization.

13211020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180413.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13211020202 its reverse (20202011231), we get a palindrome (33413031433).

The spelling of 13211020202 in words is "thirteen billion, two hundred eleven million, twenty thousand, two hundred two".

Divisors: 1 2 31 62 67 134 2077 4154 3180313 6360626 98589703 197179406 213080971 426161942 6605510101 13211020202