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12700070 = 2511311239
BaseRepresentation
bin110000011100…
…100110100110
3212220020012222
4300130212212
511222400240
61132112342
7212643305
oct60344646
925806188
1012700070
117194829
1243056b2
132828846
14198843c
1511aceb5
hexc1c9a6

12700070 has 16 divisors (see below), whose sum is σ = 23064480. Its totient is φ = 5034624.

The previous prime is 12700069. The next prime is 12700081. The reversal of 12700070 is 7000721.

It is a happy number.

It is a super-2 number, since 2×127000702 = 322583556009800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4490 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1441530).

Almost surely, 212700070 is an apocalyptic number.

12700070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12700070 is a deficient number, since it is larger than the sum of its proper divisors (10364410).

12700070 is a wasteful number, since it uses less digits than its factorization.

12700070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 12700070 is about 3563.7157574644. The cubic root of 12700070 is about 233.3110840463.

Adding to 12700070 its reverse (7000721), we get a palindrome (19700791).

The spelling of 12700070 in words is "twelve million, seven hundred thousand, seventy".

Divisors: 1 2 5 10 113 226 565 1130 11239 22478 56195 112390 1270007 2540014 6350035 12700070