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12650070 = 235715939
BaseRepresentation
bin110000010000…
…011001010110
3212210200122010
4300100121112
511214300240
61131045050
7212344446
oct60203126
925720563
1012650070
117160204
1242a0786
13280bb64
141974126
15119d280
hexc10656

12650070 has 32 divisors (see below), whose sum is σ = 30792960. Its totient is φ = 3325280.

The previous prime is 12650063. The next prime is 12650081. The reversal of 12650070 is 7005621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 212650070 is an apocalyptic number.

12650070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650070 is an abundant number, since it is smaller than the sum of its proper divisors (18142890).

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

12650070 is a wasteful number, since it uses less digits than its factorization.

12650070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12650070 is about 3556.6936893694. The cubic root of 12650070 is about 233.0045005179.

Adding to 12650070 its reverse (7005621), we get a palindrome (19655691).

The spelling of 12650070 in words is "twelve million, six hundred fifty thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 5939 11878 17817 29695 35634 59390 89085 178170 421669 843338 1265007 2108345 2530014 4216690 6325035 12650070