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157660300145 = 554158284769
BaseRepresentation
bin1001001011010101001…
…0010100001101110001
3120001221121200002011202
42102311102110031301
510040342014101040
6200232251220545
714250653303555
oct2226522241561
9501847602152
10157660300145
1160955147017
1226680147755
1311b3760473a
1478b8cad865
15417b378015
hex24b5494371

157660300145 has 8 divisors (see below), whose sum is σ = 189542072040. Its totient is φ = 125895098880.

The previous prime is 157660300103. The next prime is 157660300153. The reversal of 157660300145 is 541003066751.

It can be written as a sum of positive squares in 4 ways, for example, as 48223720801 + 109436579344 = 219599^2 + 330812^2 .

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

It is not a de Polignac number, because 157660300145 - 216 = 157660234609 is a prime.

It is a super-2 number, since 2×1576603001452 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157660300099 and 157660300108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29139680 + ... + 29145089.

It is an arithmetic number, because the mean of its divisors is an integer number (23692759005).

Almost surely, 2157660300145 is an apocalyptic number.

It is an amenable number.

157660300145 is a deficient number, since it is larger than the sum of its proper divisors (31881771895).

157660300145 is an equidigital number, since it uses as much as digits as its factorization.

157660300145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58285315.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 157660300145 its reverse (541003066751), we get a palindrome (698663366896).

The spelling of 157660300145 in words is "one hundred fifty-seven billion, six hundred sixty million, three hundred thousand, one hundred forty-five".

Divisors: 1 5 541 2705 58284769 291423845 31532060029 157660300145