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158923132945 = 5171869683917
BaseRepresentation
bin1001010000000010001…
…1101001000000010001
3120012012121220122002221
42110000203221000101
510100433310223240
6201001442141041
714324156225053
oct2240043510021
9505177818087
10158923132945
1161442a68a95
1226973051781
1311ca9128395
1479988b78d3
154202175a4a
hex25008e9011

158923132945 has 8 divisors (see below), whose sum is σ = 201925863144. Its totient is φ = 119659770624.

The previous prime is 158923132943. The next prime is 158923132969. The reversal of 158923132945 is 549231329851.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33612088896 + 125311044049 = 183336^2 + 353993^2 .

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 158923132945 - 21 = 158923132943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158923132892 and 158923132901.

It is not an unprimeable number, because it can be changed into a prime (158923132943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934841874 + ... + 934842043.

It is an arithmetic number, because the mean of its divisors is an integer number (25240732893).

Almost surely, 2158923132945 is an apocalyptic number.

It is an amenable number.

158923132945 is a deficient number, since it is larger than the sum of its proper divisors (43002730199).

158923132945 is a wasteful number, since it uses less digits than its factorization.

158923132945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869683939.

The product of its digits is 2332800, while the sum is 52.

The spelling of 158923132945 in words is "one hundred fifty-eight billion, nine hundred twenty-three million, one hundred thirty-two thousand, nine hundred forty-five".

Divisors: 1 5 17 85 1869683917 9348419585 31784626589 158923132945