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53005274997 = 3158891111991
BaseRepresentation
bin110001010111010111…
…000100111101110101
312001211000202221220020
4301113113010331311
51332023322244442
640203354555353
73554343255303
oct612727047565
9161730687806
1053005274997
11205301066a4
12a333438b59
134cc958025c
1427cb90b273
1515a362b9ec
hexc575c4f75

53005274997 has 8 divisors (see below), whose sum is σ = 70678211520. Its totient is φ = 35334594240.

The previous prime is 53005274989. The next prime is 53005275013. The reversal of 53005274997 is 79947250035.

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

It is not a de Polignac number, because 53005274997 - 23 = 53005274989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005274957) 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, 508329 + ... + 603662.

It is an arithmetic number, because the mean of its divisors is an integer number (8834776440).

Almost surely, 253005274997 is an apocalyptic number.

It is an amenable number.

53005274997 is a deficient number, since it is larger than the sum of its proper divisors (17672936523).

53005274997 is a wasteful number, since it uses less digits than its factorization.

53005274997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127883.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 53005274997 in words is "fifty-three billion, five million, two hundred seventy-four thousand, nine hundred ninety-seven".

Divisors: 1 3 15889 47667 1111991 3335973 17668424999 53005274997