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12719933430 = 2358319725931
BaseRepresentation
bin10111101100010101…
…01100011111110110
31012211110210120100120
423312022230133312
5202022300332210
65502104152410
7630132436011
oct136612543766
935743716316
1012719933430
115438086286
12256ba68706
131279362c39
148894a4378
154e6a7e270
hex2f62ac7f6

12719933430 has 64 divisors (see below), whose sum is σ = 31053673728. Its totient is φ = 3333975680.

The previous prime is 12719933417. The next prime is 12719933431. The reversal of 12719933430 is 3433991721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12719933431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477565 + ... + 503495.

It is an arithmetic number, because the mean of its divisors is an integer number (485213652).

Almost surely, 212719933430 is an apocalyptic number.

12719933430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12719933430 is an abundant number, since it is smaller than the sum of its proper divisors (18333740298).

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

12719933430 is a wasteful number, since it uses less digits than its factorization.

12719933430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26221.

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 12719933430 in words is "twelve billion, seven hundred nineteen million, nine hundred thirty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 83 166 197 249 394 415 498 591 830 985 1182 1245 1970 2490 2955 5910 16351 25931 32702 49053 51862 77793 81755 98106 129655 155586 163510 245265 259310 388965 490530 777930 2152273 4304546 5108407 6456819 10216814 10761365 12913638 15325221 21522730 25542035 30650442 32284095 51084070 64568190 76626105 153252210 423997781 847995562 1271993343 2119988905 2543986686 4239977810 6359966715 12719933430