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13421415434 = 271957798731
BaseRepresentation
bin11000111111111101…
…01000110000001010
31021122100202112202112
430133332220300022
5204441340243214
610055443302322
7653411102030
oct143776506012
937570675675
1013421415434
115768048079
12272697a9a2
13135b7a0a4b
14914706550
15538445a3e
hex31ffa8c0a

13421415434 has 32 divisors (see below), whose sum is σ = 24226060800. Its totient is φ = 5447729520.

The previous prime is 13421415421. The next prime is 13421415437. The reversal of 13421415434 is 43451412431.

It is a self number, because there is not a number n which added to its sum of digits gives 13421415434.

It is not an unprimeable number, because it can be changed into a prime (13421415437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532849 + ... + 1541579.

It is an arithmetic number, because the mean of its divisors is an integer number (757064400).

Almost surely, 213421415434 is an apocalyptic number.

13421415434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13421415434 is a deficient number, since it is larger than the sum of its proper divisors (10804645366).

13421415434 is a wasteful number, since it uses less digits than its factorization.

13421415434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538.

The product of its digits is 23040, while the sum is 32.

Adding to 13421415434 its reverse (43451412431), we get a palindrome (56872827865).

The spelling of 13421415434 in words is "thirteen billion, four hundred twenty-one million, four hundred fifteen thousand, four hundred thirty-four".

Divisors: 1 2 7 14 19 38 133 266 5779 8731 11558 17462 40453 61117 80906 109801 122234 165889 219602 331778 768607 1161223 1537214 2322446 50456449 100912898 353195143 706390286 958672531 1917345062 6710707717 13421415434