Base | Representation |
---|---|
bin | 1001001010100100110… |
… | …0100010011000110111 |
3 | 120001102110222200002020 |
4 | 2102221030202120313 |
5 | 10034433102134433 |
6 | 200200203444223 |
7 | 14242641213324 |
oct | 2225114423067 |
9 | 501373880066 |
10 | 157457458743 |
11 | 608606a32a2 |
12 | 26624226673 |
13 | 11b04594040 |
14 | 7899d8bb4b |
15 | 416865bcb3 |
hex | 24a9322637 |
157457458743 has 32 divisors (see below), whose sum is σ = 232462497792. Its totient is φ = 94184467200.
The previous prime is 157457458727. The next prime is 157457458771. The reversal of 157457458743 is 347854754751.
It is not a de Polignac number, because 157457458743 - 24 = 157457458727 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157457458703) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 251646 + ... + 615012.
It is an arithmetic number, because the mean of its divisors is an integer number (7264453056).
Almost surely, 2157457458743 is an apocalyptic number.
157457458743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
157457458743 is a deficient number, since it is larger than the sum of its proper divisors (75005039049).
157457458743 is a wasteful number, since it uses less digits than its factorization.
157457458743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363695.
The product of its digits is 65856000, while the sum is 60.
The spelling of 157457458743 in words is "one hundred fifty-seven billion, four hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred forty-three".
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