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13421445346 = 223291770551
BaseRepresentation
bin11000111111111101…
…10000000011100010
31021122100211001210101
430133332300003202
5204441342222341
610055444053014
7653411255161
oct143776600342
937570731711
1013421445346
1157680685a1
12272699416a
13135b7b154a
149147133d8
1553844e831
hex31ffb00e2

13421445346 has 8 divisors (see below), whose sum is σ = 21007479744. Its totient is φ = 6418952100.

The previous prime is 13421445337. The next prime is 13421445347. The reversal of 13421445346 is 64354412431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13421445347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145885230 + ... + 145885321.

It is an arithmetic number, because the mean of its divisors is an integer number (2625934968).

Almost surely, 213421445346 is an apocalyptic number.

13421445346 is a deficient number, since it is larger than the sum of its proper divisors (7586034398).

13421445346 is a wasteful number, since it uses less digits than its factorization.

13421445346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291770576.

The product of its digits is 138240, while the sum is 37.

Adding to 13421445346 its reverse (64354412431), we get a palindrome (77775857777).

The spelling of 13421445346 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-five thousand, three hundred forty-six".

Divisors: 1 2 23 46 291770551 583541102 6710722673 13421445346