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1968573066897 = 32922627276631
BaseRepresentation
bin11100101001011000000…
…110010010111010010001
320222012020020112020100210
4130221120012102322101
5224223114201120042
64104203332434333
7262140034660263
oct34513006227221
96865206466323
101968573066897
1169995a1a28a8
122796331789a9
13113835680778
146b3cab21b33
1536318e8da9c
hex1ca58192e91

1968573066897 has 8 divisors (see below), whose sum is σ = 2715273195840. Its totient is φ = 1267127491280.

The previous prime is 1968573066847. The next prime is 1968573066913. The reversal of 1968573066897 is 7986603758691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968573066897 - 27 = 1968573066769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1968573066827) 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, 11313638229 + ... + 11313638402.

It is an arithmetic number, because the mean of its divisors is an integer number (339409149480).

Almost surely, 21968573066897 is an apocalyptic number.

It is an amenable number.

1968573066897 is a deficient number, since it is larger than the sum of its proper divisors (746700128943).

1968573066897 is a wasteful number, since it uses less digits than its factorization.

1968573066897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22627276663.

The product of its (nonzero) digits is 823011840, while the sum is 75.

The spelling of 1968573066897 in words is "one trillion, nine hundred sixty-eight billion, five hundred seventy-three million, sixty-six thousand, eight hundred ninety-seven".

Divisors: 1 3 29 87 22627276631 67881829893 656191022299 1968573066897