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12480617740 = 2258927125873
BaseRepresentation
bin10111001111110011…
…10001110100001100
31012012210111001221111
423213321301310030
5201030014231430
65422234541404
7621165333433
oct134771616414
935183431844
1012480617740
115324a8a918
122503897864
13123b8c1716
148657aa11a
154d0a5ac2a
hex2e7e71d0c

12480617740 has 48 divisors (see below), whose sum is σ = 26602611840. Its totient is φ = 4917749760.

The previous prime is 12480617729. The next prime is 12480617749. The reversal of 12480617740 is 4771608421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12480617693 and 12480617702.

It is not an unprimeable number, because it can be changed into a prime (12480617749) by changing a digit.

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, 469444 + ... + 495316.

It is an arithmetic number, because the mean of its divisors is an integer number (554221080).

Almost surely, 212480617740 is an apocalyptic number.

12480617740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12480617740 is an abundant number, since it is smaller than the sum of its proper divisors (14121994100).

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

12480617740 is a wasteful number, since it uses less digits than its factorization.

12480617740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26242 (or 26240 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 12480617740 in words is "twelve billion, four hundred eighty million, six hundred seventeen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 89 178 271 356 445 542 890 1084 1355 1780 2710 5420 24119 25873 48238 51746 96476 103492 120595 129365 241190 258730 482380 517460 2302697 4605394 7011583 9210788 11513485 14023166 23026970 28046332 35057915 46053940 70115830 140231660 624030887 1248061774 2496123548 3120154435 6240308870 12480617740