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979021223212 = 221311868361113
BaseRepresentation
bin11100011111100100011…
…01100101010100101100
310110121000200011010220011
432033302031211110230
5112020013413120322
62025431154303004
7130506026043334
oct16176215452454
93417020133804
10979021223212
11348222a5943a
121398a8287a64
1371423ba4b56
143555617a0c4
151a6eeb0c677
hexe3f236552c

979021223212 has 12 divisors (see below), whose sum is σ = 1726365669336. Its totient is φ = 485773889120.

The previous prime is 979021223057. The next prime is 979021223237. The reversal of 979021223212 is 212322120979.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934180033 + ... + 934181080.

It is an arithmetic number, because the mean of its divisors is an integer number (143863805778).

Almost surely, 2979021223212 is an apocalyptic number.

It is an amenable number.

979021223212 is a deficient number, since it is larger than the sum of its proper divisors (747344446124).

979021223212 is a wasteful number, since it uses less digits than its factorization.

979021223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868361248 (or 1868361246 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 979021223212 in words is "nine hundred seventy-nine billion, twenty-one million, two hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 131 262 524 1868361113 3736722226 7473444452 244755305803 489510611606 979021223212