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138704069210 = 25721654717107
BaseRepresentation
bin1000000100101101101…
…0000010001001011010
3111021000112011202220112
42001023122002021122
54233031220203320
6143415245324322
713010134064300
oct2011332021132
9437015152815
10138704069210
1153907916163
1222a6b8666a2
1310106250245
1469db48a270
15391c086ec5
hex204b68225a

138704069210 has 48 divisors (see below), whose sum is σ = 290463866784. Its totient is φ = 47550027168.

The previous prime is 138704069167. The next prime is 138704069233. The reversal of 138704069210 is 12960407831.

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, 8099477 + ... + 8116583.

It is an arithmetic number, because the mean of its divisors is an integer number (6051330558).

Almost surely, 2138704069210 is an apocalyptic number.

138704069210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138704069210 is an abundant number, since it is smaller than the sum of its proper divisors (151759797574).

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

138704069210 is a wasteful number, since it uses less digits than its factorization.

138704069210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33675 (or 33668 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 138704069210 in words is "one hundred thirty-eight billion, seven hundred four million, sixty-nine thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 16547 17107 33094 34214 82735 85535 115829 119749 165470 171070 231658 239498 579145 598745 810803 838243 1158290 1197490 1621606 1676486 4054015 4191215 8108030 8382430 283069529 566139058 1415347645 1981486703 2830695290 3962973406 9907433515 13870406921 19814867030 27740813842 69352034605 138704069210