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13454403432 = 2331732976479
BaseRepresentation
bin11001000011111000…
…11110011101101000
31021201122211111210020
430201330132131220
5210023311402212
610103022320440
7654261353661
oct144174363550
937648744706
1013454403432
115784729488
122735a29120
131365580a82
14918c52368
1553b2aed8c
hex321f1e768

13454403432 has 32 divisors (see below), whose sum is σ = 35614598400. Its totient is φ = 4220989184.

The previous prime is 13454403427. The next prime is 13454403439. The reversal of 13454403432 is 23430445431.

It is a super-2 number, since 2×134544034322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13454403393 and 13454403402.

It is not an unprimeable number, because it can be changed into a prime (13454403439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16487832 + ... + 16488647.

It is an arithmetic number, because the mean of its divisors is an integer number (1112956200).

Almost surely, 213454403432 is an apocalyptic number.

13454403432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13454403432 is an abundant number, since it is smaller than the sum of its proper divisors (22160194968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13454403432 is a wasteful number, since it uses less digits than its factorization.

13454403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976505 (or 32976501 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 13454403432 its reverse (23430445431), we get a palindrome (36884848863).

The spelling of 13454403432 in words is "thirteen billion, four hundred fifty-four million, four hundred three thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 32976479 65952958 98929437 131905916 197858874 263811832 395717748 560600143 791435496 1121200286 1681800429 2242400572 3363600858 4484801144 6727201716 13454403432