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1964171467349 = 713135929158791
BaseRepresentation
bin11100100101010001101…
…111100001101001010101
320221202212111010210220022
4130211101233201221111
5224140110343423344
64102154455114525
7261623000000450
oct34452157415125
96852774123808
101964171467349
11698000650a23
12278805072a45
131132b37aa6b0
146b0d030c497
153615c83b0ee
hex1c951be1a55

1964171467349 has 16 divisors (see below), whose sum is σ = 2417474814720. Its totient is φ = 1554048512640.

The previous prime is 1964171467337. The next prime is 1964171467457. The reversal of 1964171467349 is 9437641714691.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1964171467349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1964171467291 and 1964171467300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964171067349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12290144 + ... + 12448934.

It is an arithmetic number, because the mean of its divisors is an integer number (151092175920).

Almost surely, 21964171467349 is an apocalyptic number.

It is an amenable number.

1964171467349 is a deficient number, since it is larger than the sum of its proper divisors (453303347371).

1964171467349 is a wasteful number, since it uses less digits than its factorization.

1964171467349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294740.

The product of its digits is 27433728, while the sum is 62.

The spelling of 1964171467349 in words is "one trillion, nine hundred sixty-four billion, one hundred seventy-one million, four hundred sixty-seven thousand, three hundred forty-nine".

Divisors: 1 7 13 91 135929 158791 951503 1111537 1767077 2064283 12369539 14449981 21584301839 151090112873 280595923907 1964171467349