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7680214290897 = 321242168702773
BaseRepresentation
bin110111111000011000001…
…1100011101000111010001
31000012012222100011012201100
41233300300130131013101
52001313034324302042
624200124114255013
71421606604224511
oct157606034350721
930165870135640
107680214290897
1124a1184820935
12a40588287469
13439319909895
141c7a1d8b7841
15d4ba776924c
hex6fc3071d1d1

7680214290897 has 12 divisors (see below), whose sum is σ = 11094536162164. Its totient is φ = 5119730569440.

The previous prime is 7680214290829. The next prime is 7680214290923. The reversal of 7680214290897 is 7980924120867.

It can be written as a sum of positive squares in 2 ways, for example, as 6115115711376 + 1565098579521 = 2472876^2 + 1251039^2 .

It is not a de Polignac number, because 7680214290897 - 211 = 7680214288849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680216290897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34239598 + ... + 34463175.

Almost surely, 27680214290897 is an apocalyptic number.

It is an amenable number.

7680214290897 is a deficient number, since it is larger than the sum of its proper divisors (3414321871267).

7680214290897 is a wasteful number, since it uses less digits than its factorization.

7680214290897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68715200 (or 68715197 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 7680214290897 in words is "seven trillion, six hundred eighty billion, two hundred fourteen million, two hundred ninety thousand, eight hundred ninety-seven".

Divisors: 1 3 9 12421 37263 111789 68702773 206108319 618324957 853357143433 2560071430299 7680214290897