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45191429093 = 215320989981
BaseRepresentation
bin101010000101100111…
…100111101111100101
311022122110122110102002
4222011213213233211
51220023001212333
632432145055045
73156612544406
oct520547475745
9138573573362
1045191429093
1118190424608
128912627485
1343527871b5
142289c5d9ad
1512976530e8
hexa859e7be5

45191429093 has 4 divisors (see below), whose sum is σ = 45212421228. Its totient is φ = 45170436960.

The previous prime is 45191429083. The next prime is 45191429099. The reversal of 45191429093 is 39092419154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9841036804 + 35350392289 = 99202^2 + 188017^2 .

It is a cyclic number.

It is not a de Polignac number, because 45191429093 - 210 = 45191428069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45191429099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10492838 + ... + 10497143.

It is an arithmetic number, because the mean of its divisors is an integer number (11303105307).

Almost surely, 245191429093 is an apocalyptic number.

It is an amenable number.

45191429093 is a deficient number, since it is larger than the sum of its proper divisors (20992135).

45191429093 is a wasteful number, since it uses less digits than its factorization.

45191429093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20992134.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 45191429093 in words is "forty-five billion, one hundred ninety-one million, four hundred twenty-nine thousand, ninety-three".

Divisors: 1 2153 20989981 45191429093