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15430331233040 = 2451727479412891
BaseRepresentation
bin1110000010001010011101…
…1010010111001100010000
32000122010101022111000220212
43200202213122113030100
54010302304243424130
652452332445223252
73151542664261343
oct340424732271420
960563338430825
1015430331233040
114a09a6a793219
121892602861b28
1387c0c6737c99
143b4b910a645a
151bb5a1cb4e95
hexe08a7697310

15430331233040 has 80 divisors (see below), whose sum is σ = 37987319191680. Its totient is φ = 5808840407040.

The previous prime is 15430331233033. The next prime is 15430331233061. The reversal of 15430331233040 is 4033213303451.

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

It is a super-2 number, since 2×154303312330402 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15430331232988 and 15430331233006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37164995 + ... + 37577885.

It is an arithmetic number, because the mean of its divisors is an integer number (474841489896).

Almost surely, 215430331233040 is an apocalyptic number.

15430331233040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15430331233040 is an abundant number, since it is smaller than the sum of its proper divisors (22556987958640).

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

15430331233040 is a wasteful number, since it uses less digits than its factorization.

15430331233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440400 (or 440394 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 15430331233040 its reverse (4033213303451), we get a palindrome (19463544536491).

The spelling of 15430331233040 in words is "fifteen trillion, four hundred thirty billion, three hundred thirty-one million, two hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 27479 54958 109916 137395 219832 274790 412891 439664 467143 549580 825782 934286 1099160 1651564 1868572 2064455 2198320 2335715 3303128 3737144 4128910 4671430 6606256 7019147 7474288 8257820 9342860 14038294 16515640 18685720 28076588 33031280 35095735 37371440 56153176 70191470 112306352 140382940 280765880 561531760 11345831789 22691663578 45383327156 56729158945 90766654312 113458317890 181533308624 192879140413 226916635780 385758280826 453833271560 771516561652 907666543120 964395702065 1543033123304 1928791404130 3086066246608 3857582808260 7715165616520 15430331233040