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20474454233755 = 531132093253121
BaseRepresentation
bin1001010011111000101001…
…00100100101001010011011
32200111100010220210211112201
410221330110210211022123
510140423140240440010
6111313500122551031
74212142030330534
oct451742444451233
980440126724481
1020474454233755
116584192713225
122368105368477
13b5696ab0aba2
1450ad7c82b68b
152578c2e3d23a
hex129f1492529b

20474454233755 has 8 divisors (see below), whose sum is σ = 25361904599424. Its totient is φ = 15851190374400.

The previous prime is 20474454233749. The next prime is 20474454233791. The reversal of 20474454233755 is 55733245447402.

It is a happy number.

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

It is not a de Polignac number, because 20474454233755 - 219 = 20474453709467 is a prime.

It is a super-3 number, since 3×204744542337553 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20474454233696 and 20474454233705.

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, 66046626406 + ... + 66046626715.

It is an arithmetic number, because the mean of its divisors is an integer number (3170238074928).

Almost surely, 220474454233755 is an apocalyptic number.

20474454233755 is a deficient number, since it is larger than the sum of its proper divisors (4887450365669).

20474454233755 is a wasteful number, since it uses less digits than its factorization.

20474454233755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132093253157.

The product of its (nonzero) digits is 56448000, while the sum is 55.

The spelling of 20474454233755 in words is "twenty trillion, four hundred seventy-four billion, four hundred fifty-four million, two hundred thirty-three thousand, seven hundred fifty-five".

Divisors: 1 5 31 155 132093253121 660466265605 4094890846751 20474454233755