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11999993028 = 2232334291843
BaseRepresentation
bin10110010110100000…
…10101110011000100
31010222022002210210020
423023100111303010
5144033444234103
65302425255140
7603241154262
oct131320256304
933868083706
1011999993028
1150a8757411
1223aa9344b0
1311931615ba
1481ba19432
154a376d753
hex2cb415cc4

11999993028 has 24 divisors (see below), whose sum is σ = 28120161888. Its totient is φ = 3982829376.

The previous prime is 11999992951. The next prime is 11999993029. The reversal of 11999993028 is 82039999911.

It is not an unprimeable number, because it can be changed into a prime (11999993029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143126 + ... + 2148717.

It is an arithmetic number, because the mean of its divisors is an integer number (1171673412).

Almost surely, 211999993028 is an apocalyptic number.

It is an amenable number.

11999993028 is an abundant number, since it is smaller than the sum of its proper divisors (16120168860).

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

11999993028 is a wasteful number, since it uses less digits than its factorization.

11999993028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292083 (or 4292081 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 60.

The spelling of 11999993028 in words is "eleven billion, nine hundred ninety-nine million, nine hundred ninety-three thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 233 466 699 932 1398 2796 4291843 8583686 12875529 17167372 25751058 51502116 999999419 1999998838 2999998257 3999997676 5999996514 11999993028