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13152842398640 = 2457193121695433
BaseRepresentation
bin1011111101100110001001…
…1111111011101110110000
31201120101210012102212001202
42333121202133323232300
53210444010123224030
643550155443350332
72525155460506220
oct277314237735660
951511705385052
1013152842398640
1142110a870502a
1215851383823a8
1374540008b359
1433685b0b6080
1517c207a78745
hexbf6627fbbb0

13152842398640 has 80 divisors (see below), whose sum is σ = 35130064323648. Its totient is φ = 4486180405248.

The previous prime is 13152842398601. The next prime is 13152842398649. The reversal of 13152842398640 is 4689324825131.

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

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (13152842398649) 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, 60739637 + ... + 60955796.

Almost surely, 213152842398640 is an apocalyptic number.

13152842398640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13152842398640 is an abundant number, since it is smaller than the sum of its proper divisors (21977221925008).

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

13152842398640 is a wasteful number, since it uses less digits than its factorization.

13152842398640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121695646 (or 121695640 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 13152842398640 in words is "thirteen trillion, one hundred fifty-two billion, eight hundred forty-two million, three hundred ninety-eight thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 193 280 386 560 772 965 1351 1544 1930 2702 3088 3860 5404 6755 7720 10808 13510 15440 21616 27020 54040 108080 121695433 243390866 486781732 608477165 851868031 973563464 1216954330 1703736062 1947126928 2433908660 3407472124 4259340155 4867817320 6814944248 8518680310 9735634640 13629888496 17037360620 23487218569 34074721240 46974437138 68149442480 93948874276 117436092845 164410529983 187897748552 234872185690 328821059966 375795497104 469744371380 657642119932 822052649915 939488742760 1315284239864 1644105299830 1878977485520 2630568479728 3288210599660 6576421199320 13152842398640