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5142610945 = 537163716981
BaseRepresentation
bin1001100101000011…
…00000010000000001
3111021101201201000001
410302201200100001
541013002022240
62210144000001
7241303320553
oct46241402001
914241651001
105142610945
1121a996279a
12bb6300001
1363c571474
1436adc54d3
1520172689a
hex132860401

5142610945 has 16 divisors (see below), whose sum is σ = 6342165648. Its totient is φ = 4000216320.

The previous prime is 5142610933. The next prime is 5142610951. The reversal of 5142610945 is 5490162415.

It is a Cunningham number, because it is equal to 717122+1.

It can be written as a sum of positive squares in 8 ways, for example, as 155850256 + 4986760689 = 12484^2 + 70617^2 .

It is not a de Polignac number, because 5142610945 - 213 = 5142602753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294355 + ... + 311335.

It is an arithmetic number, because the mean of its divisors is an integer number (396385353).

Almost surely, 25142610945 is an apocalyptic number.

It is an amenable number.

5142610945 is a deficient number, since it is larger than the sum of its proper divisors (1199554703).

5142610945 is a wasteful number, since it uses less digits than its factorization.

5142610945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18660.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5142610945 is about 71712.0000069723. Note that the first 5 decimals coincide. The cubic root of 5142610945 is about 1726.0812035740.

The spelling of 5142610945 in words is "five billion, one hundred forty-two million, six hundred ten thousand, nine hundred forty-five".

Divisors: 1 5 37 185 1637 8185 16981 60569 84905 302845 628297 3141485 27797897 138989485 1028522189 5142610945