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455138953669 = 19112577189467
BaseRepresentation
bin1101001111110000110…
…01010100100111000101
31121111210102020102210001
412213320121110213011
524424111033004134
6545030555201301
744611524162661
oct6477031244705
91544712212701
10455138953669
1116602908a3a4
1274261146231
1333bc4c6b94a
14180592058a1
15bc8c4e1414
hex69f86549c5

455138953669 has 8 divisors (see below), whose sum is σ = 457560672768. Its totient is φ = 452717639040.

The previous prime is 455138953553. The next prime is 455138953673. The reversal of 455138953669 is 966359831554.

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 455138953669 - 217 = 455138822597 is a prime.

It is a super-2 number, since 2×4551389536692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455138953669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455138903669) 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, 2307474 + ... + 2496940.

It is an arithmetic number, because the mean of its divisors is an integer number (57195084096).

Almost surely, 2455138953669 is an apocalyptic number.

It is an amenable number.

455138953669 is a deficient number, since it is larger than the sum of its proper divisors (2421719099).

455138953669 is a wasteful number, since it uses less digits than its factorization.

455138953669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202235.

The product of its digits is 104976000, while the sum is 64.

The spelling of 455138953669 in words is "four hundred fifty-five billion, one hundred thirty-eight million, nine hundred fifty-three thousand, six hundred sixty-nine".

Divisors: 1 191 12577 189467 2402207 36188197 2382926459 455138953669