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1965445195070 = 25729294317667
BaseRepresentation
bin11100100110011101101…
…010011010010100111110
320221220011020212212212002
4130212131222122110332
5224200212432220240
64102525115342302
7261666364336400
oct34463552322476
96856136785762
101965445195070
116985a4634465
12278abb751992
13113457647336
146b1b1550b70
15361d458bd15
hex1c99da9a53e

1965445195070 has 48 divisors (see below), whose sum is σ = 4119832452240. Its totient is φ = 673141400064.

The previous prime is 1965445195039. The next prime is 1965445195121. The reversal of 1965445195070 is 705915445691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1965445194997 and 1965445195015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1703624 + ... + 2614043.

It is an arithmetic number, because the mean of its divisors is an integer number (85829842755).

Almost surely, 21965445195070 is an apocalyptic number.

1965445195070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1965445195070 is an abundant number, since it is smaller than the sum of its proper divisors (2154387257170).

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

1965445195070 is a wasteful number, since it uses less digits than its factorization.

1965445195070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318617 (or 4318610 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 1965445195070 in words is "one trillion, nine hundred sixty-five billion, four hundred forty-five million, one hundred ninety-five thousand, seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 929 1858 4645 6503 9290 13006 32515 45521 65030 91042 227605 455210 4317667 8635334 21588335 30223669 43176670 60447338 151118345 211565683 302236690 423131366 1057828415 2115656830 4011112643 8022225286 20055563215 28077788501 40111126430 56155577002 140388942505 196544519507 280777885010 393089039014 982722597535 1965445195070