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138080607530 = 256725715387
BaseRepresentation
bin1000000010011000111…
…1101101110100101010
3111012102002000122021012
42000212033231310222
54230242113420110
6143233334343522
712655523540615
oct2004617556452
9435362018235
10138080607530
11536179a3178
1222916ababa2
131003702b6c8
14697c75717c
1538d2482905
hex20263edd2a

138080607530 has 48 divisors (see below), whose sum is σ = 252798882336. Its totient is φ = 54302513760.

The previous prime is 138080607481. The next prime is 138080607541. The reversal of 138080607530 is 35706080831.

It is a super-3 number, since 3×1380806075303 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25629497 + ... + 25634883.

It is an arithmetic number, because the mean of its divisors is an integer number (5266643382).

Almost surely, 2138080607530 is an apocalyptic number.

138080607530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138080607530 is a deficient number, since it is larger than the sum of its proper divisors (114718274806).

138080607530 is an equidigital number, since it uses as much as digits as its factorization.

138080607530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 6032 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 138080607530 in words is "one hundred thirty-eight billion, eighty million, six hundred seven thousand, five hundred thirty".

Divisors: 1 2 5 10 67 134 335 571 670 1142 2855 4489 5387 5710 8978 10774 22445 26935 38257 44890 53870 76514 191285 360929 382570 721858 1804645 2563219 3075977 3609290 5126438 6151954 12816095 15379885 24182243 25632190 30759770 48364486 120911215 206090459 241822430 412180918 1030452295 2060904590 13808060753 27616121506 69040303765 138080607530