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45242630189 = 193285182223
BaseRepresentation
bin101010001000101010…
…111100000000101101
311022210000222202002222
4222020222330000231
51220124103131224
632441214325125
73161104003631
oct521052740055
9138700882088
1045242630189
1118207315769
1289277b97a5
1343602731c3
14229298adc1
15129bdb8b5e
hexa88abc02d

45242630189 has 8 divisors (see below), whose sum is σ = 45493552512. Its totient is φ = 44991878400.

The previous prime is 45242630129. The next prime is 45242630203. The reversal of 45242630189 is 98103624254.

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 45242630189 - 232 = 40947662893 is a prime.

It is a super-2 number, since 2×452426301892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242630129) 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, 509132 + ... + 591354.

It is an arithmetic number, because the mean of its divisors is an integer number (5686694064).

Almost surely, 245242630189 is an apocalyptic number.

It is an amenable number.

45242630189 is a deficient number, since it is larger than the sum of its proper divisors (250922323).

45242630189 is a wasteful number, since it uses less digits than its factorization.

45242630189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85267.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 45242630189 in words is "forty-five billion, two hundred forty-two million, six hundred thirty thousand, one hundred eighty-nine".

Divisors: 1 193 2851 82223 550243 15869039 234417773 45242630189