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53358010993 = 717448386647
BaseRepresentation
bin110001101100011000…
…101010001001110001
312002201121111210201101
4301230120222021301
51333234122322433
640302355204401
73566155416160
oct615430521161
9162647453641
1053358010993
11206a122a451
12a4115a6701
135054683891
1428226cb3d7
1515c45a607d
hexc6c62a271

53358010993 has 8 divisors (see below), whose sum is σ = 64567677312. Its totient is φ = 43045118016.

The previous prime is 53358010969. The next prime is 53358010999. The reversal of 53358010993 is 39901085335.

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 53358010993 - 229 = 52821140081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53358010999) 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, 224193205 + ... + 224193442.

It is an arithmetic number, because the mean of its divisors is an integer number (8070959664).

Almost surely, 253358010993 is an apocalyptic number.

It is an amenable number.

53358010993 is a deficient number, since it is larger than the sum of its proper divisors (11209666319).

53358010993 is a wasteful number, since it uses less digits than its factorization.

53358010993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448386671.

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 53358010993 in words is "fifty-three billion, three hundred fifty-eight million, ten thousand, nine hundred ninety-three".

Divisors: 1 7 17 119 448386647 3138706529 7622572999 53358010993