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13454053520 = 2451929305219
BaseRepresentation
bin11001000011110110…
…01001000010010000
31021201122011201210112
430201323021002100
5210023214203040
610103011020452
7654255365555
oct144173110220
937648151715
1013454053520
11578450a5a6
12273589a728
13136548a71b
14918ba0a2c
1553b241365
hex321ec9090

13454053520 has 80 divisors (see below), whose sum is σ = 34062552000. Its totient is φ = 4922555904.

The previous prime is 13454053513. The next prime is 13454053531. The reversal of 13454053520 is 2535045431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×134540535202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108530 + ... + 196689.

It is an arithmetic number, because the mean of its divisors is an integer number (425781900).

Almost surely, 213454053520 is an apocalyptic number.

13454053520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13454053520 is an abundant number, since it is smaller than the sum of its proper divisors (20608498480).

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

13454053520 is a wasteful number, since it uses less digits than its factorization.

13454053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305280 (or 305274 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 13454053520 its reverse (2535045431), we get a palindrome (15989098951).

The spelling of 13454053520 in words is "thirteen billion, four hundred fifty-four million, fifty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 29 38 40 58 76 80 95 116 145 152 190 232 290 304 380 464 551 580 760 1102 1160 1520 2204 2320 2755 4408 5510 8816 11020 22040 44080 305219 610438 1220876 1526095 2441752 3052190 4883504 5799161 6104380 8851351 11598322 12208760 17702702 23196644 24417520 28995805 35405404 44256755 46393288 57991610 70810808 88513510 92786576 115983220 141621616 168175669 177027020 231966440 336351338 354054040 463932880 672702676 708108080 840878345 1345405352 1681756690 2690810704 3363513380 6727026760 13454053520