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12260360140 = 2257499175499
BaseRepresentation
bin10110110101100011…
…00011111111001100
31011122110000211022121
423122301203333030
5200102123011030
65344330022324
7612552225130
oct133261437714
934573024277
1012260360140
115221721046
122461b779a4
131205093992
148444333c0
154bb54e47a
hex2dac63fcc

12260360140 has 48 divisors (see below), whose sum is σ = 29484000000. Its totient is φ = 4195104192.

The previous prime is 12260360129. The next prime is 12260360149. The reversal of 12260360140 is 4106306221.

It is not an unprimeable number, because it can be changed into a prime (12260360149) 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, 17890 + ... + 157609.

It is an arithmetic number, because the mean of its divisors is an integer number (614250000).

Almost surely, 212260360140 is an apocalyptic number.

12260360140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12260360140 is an abundant number, since it is smaller than the sum of its proper divisors (17223639860).

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

12260360140 is a wasteful number, since it uses less digits than its factorization.

12260360140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176014 (or 176012 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12260360140 its reverse (4106306221), we get a palindrome (16366666361).

The spelling of 12260360140 in words is "twelve billion, two hundred sixty million, three hundred sixty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 499 998 1996 2495 3493 4990 6986 9980 13972 17465 34930 69860 175499 350998 701996 877495 1228493 1754990 2456986 3509980 4913972 6142465 12284930 24569860 87574001 175148002 350296004 437870005 613018007 875740010 1226036014 1751480020 2452072028 3065090035 6130180070 12260360140