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21480160674760 = 2354877110109497
BaseRepresentation
bin1001110001001001111010…
…10110001100001111001000
32211001111001022220111110121
410320210331112030033020
510303412332113043020
6113403503302153024
74344614256123034
oct470447526141710
984044038814417
1021480160674760
116931759794767
1224aabba422774
13bca7553bb328
14543906aa91c4
15273b35651baa
hex13893d58c3c8

21480160674760 has 32 divisors (see below), whose sum is σ = 48340271811960. Its totient is φ = 8590302439936.

The previous prime is 21480160674701. The next prime is 21480160674787. The reversal of 21480160674760 is 6747606108412.

It can be written as a sum of positive squares in 4 ways, for example, as 18225607569316 + 3254553105444 = 4269146^2 + 1804038^2 .

It is a super-2 number, since 2×214801606747602 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21480160674698 and 21480160674707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54859669 + ... + 55249828.

Almost surely, 221480160674760 is an apocalyptic number.

21480160674760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21480160674760 is an abundant number, since it is smaller than the sum of its proper divisors (26860111137200).

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

21480160674760 is a wasteful number, since it uses less digits than its factorization.

21480160674760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110114385 (or 110114381 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 21480160674760 in words is "twenty-one trillion, four hundred eighty billion, one hundred sixty million, six hundred seventy-four thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 4877 9754 19508 24385 39016 48770 97540 195080 110109497 220218994 440437988 550547485 880875976 1101094970 2202189940 4404379880 537004016869 1074008033738 2148016067476 2685020084345 4296032134952 5370040168690 10740080337380 21480160674760