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497711812993 = 73825712
BaseRepresentation
bin1110011111000011110…
…11111001000110000001
31202120200101120202202121
413033201323321012001
531123303211003433
61020351243244241
750646522415243
oct7174173710601
91676611522677
10497711812993
1118209538575a
1280562819681
1337c1b080775
141a13738c093
15ce2ece6c2d
hex73e1ef9181

497711812993 has 6 divisors (see below), whose sum is σ = 504535893362. Its totient is φ = 490887897840.

The previous prime is 497711812987. The next prime is 497711813017. The reversal of 497711812993 is 399218117794.

It can be written as a sum of positive squares in only one way, i.e., 436350082624 + 61361730369 = 660568^2 + 247713^2 .

It is not a de Polignac number, because 497711812993 - 229 = 497174942081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497711812093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5986398 + ... + 6068968.

Almost surely, 2497711812993 is an apocalyptic number.

It is an amenable number.

497711812993 is a deficient number, since it is larger than the sum of its proper divisors (6824080369).

497711812993 is an frugal number, since it uses more digits than its factorization.

497711812993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165215 (or 82644 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 61.

The spelling of 497711812993 in words is "four hundred ninety-seven billion, seven hundred eleven million, eight hundred twelve thousand, nine hundred ninety-three".

Divisors: 1 73 82571 6027683 6817970041 497711812993