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538263357755 = 5234680550937
BaseRepresentation
bin1111101010100101111…
…11110000100100111011
31220110100111110200102212
413311102333300210323
532304330404422010
61051135203445335
753613445023254
oct7652277604473
91813314420385
10538263357755
111983046a6512
128839b38684b
133b9b1494676
141c0a2ccbb2b
15e004e29505
hex7d52ff093b

538263357755 has 8 divisors (see below), whose sum is σ = 673999335072. Its totient is φ = 411888482368.

The previous prime is 538263357743. The next prime is 538263357761. The reversal of 538263357755 is 557753362835.

It is a happy number.

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 538263357755 - 216 = 538263292219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538263357694 and 538263357703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340275354 + ... + 2340275583.

It is an arithmetic number, because the mean of its divisors is an integer number (84249916884).

Almost surely, 2538263357755 is an apocalyptic number.

538263357755 is a deficient number, since it is larger than the sum of its proper divisors (135735977317).

538263357755 is a wasteful number, since it uses less digits than its factorization.

538263357755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680550965.

The product of its digits is 79380000, while the sum is 59.

The spelling of 538263357755 in words is "five hundred thirty-eight billion, two hundred sixty-three million, three hundred fifty-seven thousand, seven hundred fifty-five".

Divisors: 1 5 23 115 4680550937 23402754685 107652671551 538263357755