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11999993030 = 2513720034373
BaseRepresentation
bin10110010110100000…
…10101110011000110
31010222022002210210022
423023100111303012
5144033444234110
65302425255142
7603241154264
oct131320256306
933868083708
1011999993030
1150a8757413
1223aa9344b2
1311931615bc
1481ba19434
154a376d755
hex2cb415cc6

11999993030 has 32 divisors (see below), whose sum is σ = 21773492064. Its totient is φ = 4761492736.

The previous prime is 11999993029. The next prime is 11999993051. The reversal of 11999993030 is 3039999911.

It is a Curzon number.

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, 2741924 + ... + 2746296.

It is an arithmetic number, because the mean of its divisors is an integer number (680421627).

Almost surely, 211999993030 is an apocalyptic number.

11999993030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11999993030 is a deficient number, since it is larger than the sum of its proper divisors (9773499034).

11999993030 is a wasteful number, since it uses less digits than its factorization.

11999993030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520.

The product of its (nonzero) digits is 531441, while the sum is 53.

The spelling of 11999993030 in words is "eleven billion, nine hundred ninety-nine million, nine hundred ninety-three thousand, thirty".

Divisors: 1 2 5 10 137 274 685 1370 2003 4006 4373 8746 10015 20030 21865 43730 274411 548822 599101 1198202 1372055 2744110 2995505 5991010 8759119 17518238 43795595 87591190 1199999303 2399998606 5999996515 11999993030