Base | Representation |
---|---|
bin | 1001001010011110010… |
… | …0000010111001000101 |
3 | 120001100120110000100020 |
4 | 2102213210002321011 |
5 | 10034404044114012 |
6 | 200153344405353 |
7 | 14242156326315 |
oct | 2224744027105 |
9 | 501316400306 |
10 | 157430066757 |
11 | 60847194297 |
12 | 26617016859 |
13 | 11acb9c3172 |
14 | 789649b445 |
15 | 416604aa8c |
hex | 24a7902e45 |
157430066757 has 8 divisors (see below), whose sum is σ = 209930210784. Its totient is φ = 104941650288.
The previous prime is 157430066741. The next prime is 157430066789. The reversal of 157430066757 is 757660034751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157430066757 - 24 = 157430066741 is a prime.
It is a super-2 number, since 2×1574300667572 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157430066257) 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, 2900518 + ... + 2954295.
It is an arithmetic number, because the mean of its divisors is an integer number (26241276348).
Almost surely, 2157430066757 is an apocalyptic number.
It is an amenable number.
157430066757 is a deficient number, since it is larger than the sum of its proper divisors (52500144027).
157430066757 is an equidigital number, since it uses as much as digits as its factorization.
157430066757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5863779.
The product of its (nonzero) digits is 3704400, while the sum is 51.
The spelling of 157430066757 in words is "one hundred fifty-seven billion, four hundred thirty million, sixty-six thousand, seven hundred fifty-seven".
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